diff --git a/flang/lib/Parser/preprocessor.h b/flang/lib/Parser/preprocessor.h
--- a/flang/lib/Parser/preprocessor.h
+++ b/flang/lib/Parser/preprocessor.h
@@ -67,6 +67,7 @@
 
   void Define(std::string macro, std::string value);
   void Undefine(std::string macro);
+  bool IsNameDefined(const CharBlock &);
 
   std::optional<TokenSequence> MacroReplacement(
       const TokenSequence &, const Prescanner &);
@@ -79,7 +80,6 @@
   enum class CanDeadElseAppear { No, Yes };
 
   CharBlock SaveTokenAsName(const CharBlock &);
-  bool IsNameDefined(const CharBlock &);
   TokenSequence ReplaceMacros(const TokenSequence &, const Prescanner &);
   void SkipDisabledConditionalCode(
       const std::string &, IsElseActive, Prescanner *, ProvenanceRange);
diff --git a/flang/lib/Parser/preprocessor.cpp b/flang/lib/Parser/preprocessor.cpp
--- a/flang/lib/Parser/preprocessor.cpp
+++ b/flang/lib/Parser/preprocessor.cpp
@@ -212,7 +212,7 @@
 }
 
 void Preprocessor::Define(std::string macro, std::string value) {
-  definitions_.emplace(SaveTokenAsName(macro), Definition{value, allSources_});
+  definitions_.emplace(macro, Definition{value, allSources_});
 }
 
 void Preprocessor::Undefine(std::string macro) { definitions_.erase(macro); }
diff --git a/flang/lib/Parser/prescan.cpp b/flang/lib/Parser/prescan.cpp
--- a/flang/lib/Parser/prescan.cpp
+++ b/flang/lib/Parser/prescan.cpp
@@ -246,7 +246,7 @@
 }
 
 void Prescanner::LabelField(TokenSequence &token, int outCol) {
-  bool badLabel{false};
+  const char *bad{nullptr};
   for (; *at_ != '\n' && column_ <= 6; ++at_) {
     if (*at_ == '\t') {
       ++at_;
@@ -256,16 +256,18 @@
     if (*at_ != ' ' &&
         !(*at_ == '0' && column_ == 6)) { // '0' in column 6 becomes space
       EmitChar(token, *at_);
-      if (!IsDecimalDigit(*at_) && !badLabel) {
-        Say(GetProvenance(at_),
-            "Character in fixed-form label field must be a digit"_en_US);
-        badLabel = true;
+      if (!bad && !IsDecimalDigit(*at_)) {
+        bad = at_;
       }
       ++outCol;
     }
     ++column_;
   }
   if (outCol > 1) {
+    if (bad && !preprocessor_.IsNameDefined(token.CurrentOpenToken())) {
+      Say(GetProvenance(bad),
+          "Character in fixed-form label field must be a digit"_en_US);
+    }
     token.CloseToken();
   }
   SkipToNextSignificantCharacter();
@@ -1098,6 +1100,15 @@
   return iter == compilerDirectiveSentinels_.end() ? nullptr : iter->c_str();
 }
 
+constexpr bool IsDirective(const char *match, const char *dir) {
+  for (; *match; ++match) {
+    if (*match != ToLowerCaseLetter(*dir++)) {
+      return false;
+    }
+  }
+  return true;
+}
+
 Prescanner::LineClassification Prescanner::ClassifyLine(
     const char *start) const {
   if (inFixedForm_) {
@@ -1122,13 +1133,12 @@
     return {LineClassification::Kind::IncludeLine, *quoteOffset};
   }
   if (const char *dir{IsPreprocessorDirectiveLine(start)}) {
-    if (std::memcmp(dir, "if", 2) == 0 || std::memcmp(dir, "elif", 4) == 0 ||
-        std::memcmp(dir, "else", 4) == 0 || std::memcmp(dir, "endif", 5) == 0) {
+    if (IsDirective("if", dir) || IsDirective("elif", dir) ||
+        IsDirective("else", dir) || IsDirective("endif", dir)) {
       return {LineClassification::Kind::ConditionalCompilationDirective};
-    } else if (std::memcmp(dir, "include", 7) == 0) {
+    } else if (IsDirective("include", dir)) {
       return {LineClassification::Kind::IncludeDirective};
-    } else if (std::memcmp(dir, "define", 6) == 0 ||
-        std::memcmp(dir, "undef", 5) == 0) {
+    } else if (IsDirective("define", dir) || IsDirective("undef", dir)) {
       return {LineClassification::Kind::DefinitionDirective};
     } else {
       return {LineClassification::Kind::PreprocessorDirective};
diff --git a/flang/test/Preprocessing/lit.local.cfg.py b/flang/test/Preprocessing/lit.local.cfg.py
deleted file mode 100644
--- a/flang/test/Preprocessing/lit.local.cfg.py
+++ /dev/null
@@ -1,7 +0,0 @@
-# -*- Python -*-
-
-from lit.llvm import llvm_config
-
-# Added this line file to prevent lit from discovering these tests
-# See Issue #1052
-config.suffixes = []
diff --git a/flang/test/Preprocessing/pp001.F b/flang/test/Preprocessing/pp001.F
--- a/flang/test/Preprocessing/pp001.F
+++ b/flang/test/Preprocessing/pp001.F
@@ -1,9 +1,11 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(777.eq.777)then
 * keyword macros
       integer, parameter :: KWM = 666
 #define KWM 777
       if (KWM .eq. 777) then
-        print *, 'pp001.F pass'
+        print *, 'pp001.F yes'
       else
-        print *, 'pp001.F FAIL: ', KWM
+        print *, 'pp001.F no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp002.F b/flang/test/Preprocessing/pp002.F
--- a/flang/test/Preprocessing/pp002.F
+++ b/flang/test/Preprocessing/pp002.F
@@ -1,10 +1,12 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(kwm.eq.777)then
 * #undef
       integer, parameter :: KWM = 777
 #define KWM 666
 #undef KWM
       if (KWM .eq. 777) then
-        print *, 'pp002.F pass'
+        print *, 'pp002.F yes'
       else
-        print *, 'pp002.F FAIL: ', KWM
+        print *, 'pp002.F no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp003.F b/flang/test/Preprocessing/pp003.F
--- a/flang/test/Preprocessing/pp003.F
+++ b/flang/test/Preprocessing/pp003.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=((666)+111)
 * function-like macros
       integer function IFLM(x)
         integer :: x
@@ -8,8 +10,8 @@
       integer :: res
       res = IFLM(666)
       if (res .eq. 777) then
-        print *, 'pp003.F pass'
+        print *, 'pp003.F yes'
       else
-        print *, 'pp003.F FAIL: ', res
+        print *, 'pp003.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp004.F b/flang/test/Preprocessing/pp004.F
--- a/flang/test/Preprocessing/pp004.F
+++ b/flang/test/Preprocessing/pp004.F
@@ -1,9 +1,11 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(kwm.eq.777)then
 * KWMs case-sensitive
       integer, parameter :: KWM = 777
 #define KWM 666
       if (kwm .eq. 777) then
-        print *, 'pp004.F pass'
+        print *, 'pp004.F yes'
       else
-        print *, 'pp004.F FAIL: ', kwm
+        print *, 'pp004.F no: ', kwm
       end if
       end
diff --git a/flang/test/Preprocessing/pp005.F b/flang/test/Preprocessing/pp005.F
--- a/flang/test/Preprocessing/pp005.F
+++ b/flang/test/Preprocessing/pp005.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=777
 * KWM split across continuation, implicit padding
       integer, parameter :: KWM = 666
 #define KWM 777
@@ -5,8 +7,8 @@
       res = KW
      +M
       if (res .eq. 777) then
-        print *, 'pp005.F pass'
+        print *, 'pp005.F yes'
       else
-        print *, 'pp005.F FAIL: ', res
+        print *, 'pp005.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp006.F b/flang/test/Preprocessing/pp006.F
--- a/flang/test/Preprocessing/pp006.F
+++ b/flang/test/Preprocessing/pp006.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=777
 * ditto, but with intervening *comment line
       integer, parameter :: KWM = 666
 #define KWM 777
@@ -6,8 +8,8 @@
 *comment
      +M
       if (res .eq. 777) then
-        print *, 'pp006.F pass'
+        print *, 'pp006.F yes'
       else
-        print *, 'pp006.F FAIL: ', res
+        print *, 'pp006.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp007.F b/flang/test/Preprocessing/pp007.F
--- a/flang/test/Preprocessing/pp007.F
+++ b/flang/test/Preprocessing/pp007.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=kwm
 * KWM split across continuation, clipped after column 72
       integer, parameter :: KWM = 666
 #define KWM 777
@@ -8,8 +10,8 @@
       res = KW                                                          comment
      +M
       if (res .eq. 777) then
-        print *, 'pp007.F pass'
+        print *, 'pp007.F yes'
       else
-        print *, 'pp007.F FAIL: ', res
+        print *, 'pp007.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp008.F b/flang/test/Preprocessing/pp008.F
--- a/flang/test/Preprocessing/pp008.F
+++ b/flang/test/Preprocessing/pp008.F
@@ -1,11 +1,13 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=kwm
 * KWM with spaces in name at invocation NOT replaced
       integer, parameter :: KWM = 777
 #define KWM 666
       integer :: res
       res = K W M
       if (res .eq. 777) then
-        print *, 'pp008.F pass'
+        print *, 'pp008.F yes'
       else
-        print *, 'pp008.F FAIL: ', res
+        print *, 'pp008.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp009.F b/flang/test/Preprocessing/pp009.F
--- a/flang/test/Preprocessing/pp009.F
+++ b/flang/test/Preprocessing/pp009.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=((666)+111)
 * FLM call split across continuation, implicit padding
       integer function IFLM(x)
         integer :: x
@@ -9,8 +11,8 @@
       res = IFL
      +M(666)
       if (res .eq. 777) then
-        print *, 'pp009.F pass'
+        print *, 'pp009.F yes'
       else
-        print *, 'pp009.F FAIL: ', res
+        print *, 'pp009.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp010.F b/flang/test/Preprocessing/pp010.F
--- a/flang/test/Preprocessing/pp010.F
+++ b/flang/test/Preprocessing/pp010.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=((666)+111)
 * ditto, but with intervening *comment line
       integer function IFLM(x)
         integer :: x
@@ -10,8 +12,8 @@
 *comment
      +M(666)
       if (res .eq. 777) then
-        print *, 'pp010.F pass'
+        print *, 'pp010.F yes'
       else
-        print *, 'pp010.F FAIL: ', res
+        print *, 'pp010.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp011.F b/flang/test/Preprocessing/pp011.F
--- a/flang/test/Preprocessing/pp011.F
+++ b/flang/test/Preprocessing/pp011.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=iflm(666)
 * FLM call name split across continuation, clipped
       integer function IFLM(x)
         integer :: x
@@ -12,8 +14,8 @@
       res = IFL                                                         comment
      +M(666)
       if (res .eq. 777) then
-        print *, 'pp011.F pass'
+        print *, 'pp011.F yes'
       else
-        print *, 'pp011.F FAIL: ', res
+        print *, 'pp011.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp012.F b/flang/test/Preprocessing/pp012.F
--- a/flang/test/Preprocessing/pp012.F
+++ b/flang/test/Preprocessing/pp012.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=((666)+111)
 * FLM call name split across continuation
       integer function IFLM(x)
         integer :: x
@@ -9,8 +11,8 @@
       res = IFL
      +M(666)
       if (res .eq. 777) then
-        print *, 'pp012.F pass'
+        print *, 'pp012.F yes'
       else
-        print *, 'pp012.F FAIL: ', res
+        print *, 'pp012.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp013.F b/flang/test/Preprocessing/pp013.F
--- a/flang/test/Preprocessing/pp013.F
+++ b/flang/test/Preprocessing/pp013.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=((666)+111)
 * FLM call split between name and (
       integer function IFLM(x)
         integer :: x
@@ -9,8 +11,8 @@
       res = IFLM
      +(666)
       if (res .eq. 777) then
-        print *, 'pp013.F pass'
+        print *, 'pp013.F yes'
       else
-        print *, 'pp013.F FAIL: ', res
+        print *, 'pp013.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp014.F b/flang/test/Preprocessing/pp014.F
--- a/flang/test/Preprocessing/pp014.F
+++ b/flang/test/Preprocessing/pp014.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=((666)+111)
 * FLM call split between name and (, with intervening *comment
       integer function IFLM(x)
         integer :: x
@@ -10,8 +12,8 @@
 *comment
      +(666)
       if (res .eq. 777) then
-        print *, 'pp014.F pass'
+        print *, 'pp014.F yes'
       else
-        print *, 'pp014.F FAIL: ', res
+        print *, 'pp014.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp015.F b/flang/test/Preprocessing/pp015.F
--- a/flang/test/Preprocessing/pp015.F
+++ b/flang/test/Preprocessing/pp015.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=((666)+111)
 * FLM call split between name and (, clipped
       integer function IFLM(x)
         integer :: x
@@ -12,8 +14,8 @@
       res = IFLM                                                        comment
      +(666)
       if (res .eq. 777) then
-        print *, 'pp015.F pass'
+        print *, 'pp015.F yes'
       else
-        print *, 'pp015.F FAIL: ', res
+        print *, 'pp015.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp016.F b/flang/test/Preprocessing/pp016.F
--- a/flang/test/Preprocessing/pp016.F
+++ b/flang/test/Preprocessing/pp016.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=((666)+111)
 * FLM call split between name and ( and in argument
       integer function IFLM(x)
         integer :: x
@@ -10,8 +12,8 @@
      +(66
      +6)
       if (res .eq. 777) then
-        print *, 'pp016.F pass'
+        print *, 'pp016.F yes'
       else
-        print *, 'pp016.F FAIL: ', res
+        print *, 'pp016.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp017.F b/flang/test/Preprocessing/pp017.F
--- a/flang/test/Preprocessing/pp017.F
+++ b/flang/test/Preprocessing/pp017.F
@@ -1,10 +1,12 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(777.eq.777)then
 * KLM rescan
       integer, parameter :: KWM = 666, KWM2 = 667
 #define KWM2 777
 #define KWM KWM2
       if (KWM .eq. 777) then
-        print *, 'pp017.F pass'
+        print *, 'pp017.F yes'
       else
-        print *, 'pp017.F FAIL: ', KWM
+        print *, 'pp017.F no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp018.F b/flang/test/Preprocessing/pp018.F
--- a/flang/test/Preprocessing/pp018.F
+++ b/flang/test/Preprocessing/pp018.F
@@ -1,11 +1,13 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(kwm2.eq.777)then
 * KLM rescan with #undef (so rescan is after expansion)
       integer, parameter :: KWM2 = 777, KWM = 667
 #define KWM2 666
 #define KWM KWM2
 #undef KWM2
       if (KWM .eq. 777) then
-        print *, 'pp018.F pass'
+        print *, 'pp018.F yes'
       else
-        print *, 'pp018.F FAIL: ', KWM
+        print *, 'pp018.F no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp019.F b/flang/test/Preprocessing/pp019.F
--- a/flang/test/Preprocessing/pp019.F
+++ b/flang/test/Preprocessing/pp019.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=((666)+111)
 * FLM rescan
       integer function IFLM(x)
         integer :: x
@@ -10,8 +12,8 @@
       integer :: res
       res = IFLM(666)
       if (res .eq. 777) then
-        print *, 'pp019.F pass'
+        print *, 'pp019.F yes'
       else
-        print *, 'pp019.F FAIL: ', res
+        print *, 'pp019.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp020.F b/flang/test/Preprocessing/pp020.F
--- a/flang/test/Preprocessing/pp020.F
+++ b/flang/test/Preprocessing/pp020.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=((111)+666)
 * FLM expansion of argument
       integer function IFLM(x)
         integer :: x
@@ -10,8 +12,8 @@
       integer :: res
       res = IFLM(KWM)
       if (res .eq. 777) then
-        print *, 'pp020.F pass'
+        print *, 'pp020.F yes'
       else
-        print *, 'pp020.F FAIL: ', res
+        print *, 'pp020.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp021.F b/flang/test/Preprocessing/pp021.F
--- a/flang/test/Preprocessing/pp021.F
+++ b/flang/test/Preprocessing/pp021.F
@@ -1,10 +1,13 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: ch='KWM'
+! CHECK: if(ch.eq.'KWM')then
 * KWM NOT expanded in 'literal'
 #define KWM 666
       character(len=3) :: ch
       ch = 'KWM'
       if (ch .eq. 'KWM') then
-        print *, 'pp021.F pass'
+        print *, 'pp021.F yes'
       else
-        print *, 'pp021.F FAIL: ', ch
+        print *, 'pp021.F no: ', ch
       end if
       end
diff --git a/flang/test/Preprocessing/pp022.F b/flang/test/Preprocessing/pp022.F
--- a/flang/test/Preprocessing/pp022.F
+++ b/flang/test/Preprocessing/pp022.F
@@ -1,10 +1,13 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: ch="KWM"
+! CHECK: if(ch.eq.'KWM')then
 * KWM NOT expanded in "literal"
 #define KWM 666
       character(len=3) :: ch
       ch = "KWM"
       if (ch .eq. 'KWM') then
-        print *, 'pp022.F pass'
+        print *, 'pp022.F yes'
       else
-        print *, 'pp022.F FAIL: ', ch
+        print *, 'pp022.F no: ', ch
       end if
       end
diff --git a/flang/test/Preprocessing/pp023.F b/flang/test/Preprocessing/pp023.F
--- a/flang/test/Preprocessing/pp023.F
+++ b/flang/test/Preprocessing/pp023.F
@@ -1,11 +1,14 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: ch=3hKWM
+! CHECK: if(ch.eq.'KWM')then
 * KWM NOT expanded in 9HHOLLERITH literal
 #define KWM 666
 #define HKWM 667
       character(len=3) :: ch
       ch = 3HKWM
       if (ch .eq. 'KWM') then
-        print *, 'pp023.F pass'
+        print *, 'pp023.F yes'
       else
-        print *, 'pp023.F FAIL: ', ch
+        print *, 'pp023.F no: ', ch
       end if
       end
diff --git a/flang/test/Preprocessing/pp024.F b/flang/test/Preprocessing/pp024.F
--- a/flang/test/Preprocessing/pp024.F
+++ b/flang/test/Preprocessing/pp024.F
@@ -1,3 +1,6 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: 100format(3hKWM)
+! CHECK: if(ch.eq.'KWM')then
 * KWM NOT expanded in Hollerith in FORMAT
 #define KWM 666
 #define HKWM 667
@@ -5,8 +8,8 @@
  100  format(3HKWM)
       write(ch, 100)
       if (ch .eq. 'KWM') then
-        print *, 'pp024.F pass'
+        print *, 'pp024.F yes'
       else
-        print *, 'pp024.F FAIL: ', ch
+        print *, 'pp024.F no: ', ch
       end if
       end
diff --git a/flang/test/Preprocessing/pp025.F b/flang/test/Preprocessing/pp025.F
--- a/flang/test/Preprocessing/pp025.F
+++ b/flang/test/Preprocessing/pp025.F
@@ -1,11 +1,13 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=ikwm2z
 * KWM expansion is before token pasting due to fixed-form space removal
       integer, parameter :: IKWM2Z = 777
 #define KWM KWM2
       integer :: res
       res = I KWM Z
       if (res .eq. 777) then
-        print *, 'pp025.F pass'
+        print *, 'pp025.F yes'
       else
-        print *, 'pp025.F FAIL: ', res
+        print *, 'pp025.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp026.F b/flang/test/Preprocessing/pp026.F
--- a/flang/test/Preprocessing/pp026.F
+++ b/flang/test/Preprocessing/pp026.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=((111)+666)
 * ## token pasting works in FLM
       integer function IFLM(x)
         integer :: x
@@ -12,8 +14,8 @@
       integer :: res
       res = IFLM(KWM)
       if (res .eq. 777) then
-        print *, 'pp026.F pass'
+        print *, 'pp026.F yes'
       else
-        print *, 'pp026.F FAIL: ', res
+        print *, 'pp026.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp027.F b/flang/test/Preprocessing/pp027.F
--- a/flang/test/Preprocessing/pp027.F
+++ b/flang/test/Preprocessing/pp027.F
@@ -1,9 +1,12 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: kwm=666
+! CHECK: if(777.eq.777)then
 * #DEFINE works in fixed form
       integer, parameter :: KWM = 666
 #DEFINE KWM 777
       if (KWM .eq. 777) then
-        print *, 'pp027.F pass'
+        print *, 'pp027.F yes'
       else
-        print *, 'pp027.F FAIL: ', KWM
+        print *, 'pp027.F no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp028.F b/flang/test/Preprocessing/pp028.F
--- a/flang/test/Preprocessing/pp028.F
+++ b/flang/test/Preprocessing/pp028.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=kw
 * fixed-form clipping done before KWM expansion on source line
       integer, parameter :: KW = 777
 #define KWM 666
@@ -7,8 +9,8 @@
 *234567890123456789012345678901234567890123456789012345678901234567890123
       res =                                                           KWM
       if (res .eq. 777) then
-        print *, 'pp028.F pass'
+        print *, 'pp028.F yes'
       else
-        print *, 'pp028.F FAIL: ', res
+        print *, 'pp028.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp029.F b/flang/test/Preprocessing/pp029.F
--- a/flang/test/Preprocessing/pp029.F
+++ b/flang/test/Preprocessing/pp029.F
@@ -1,10 +1,12 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(77 7.eq.777)then
 * \ newline allowed in #define
       integer, parameter :: KWM = 666
 #define KWM 77\
  7
       if (KWM .eq. 777) then
-        print *, 'pp029.F pass'
+        print *, 'pp029.F yes'
       else
-        print *, 'pp029.F FAIL: ', KWM
+        print *, 'pp029.F no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp030.F b/flang/test/Preprocessing/pp030.F
--- a/flang/test/Preprocessing/pp030.F
+++ b/flang/test/Preprocessing/pp030.F
@@ -1,9 +1,11 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(777.eq.777)then
 * /* C comment */ erased from #define
       integer, parameter :: KWM = 666
 #define KWM 777 /* C comment */
       if (KWM .eq. 777) then
-        print *, 'pp030.F pass'
+        print *, 'pp030.F yes'
       else
-        print *, 'pp030.F FAIL: ', KWM
+        print *, 'pp030.F no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp031.F b/flang/test/Preprocessing/pp031.F
--- a/flang/test/Preprocessing/pp031.F
+++ b/flang/test/Preprocessing/pp031.F
@@ -1,9 +1,12 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(777//ccomment.eq.777)then
+! CHECK: print*,'pp031.F no: ',777//ccomment
 *  // C++ comment NOT erased from #define
       integer, parameter :: KWM = 666
 #define KWM 777 // C comment
       if (KWM .eq. 777) then
         print *, 'pp031.F FAIL (should not have compiled)'
       else
-        print *, 'pp031.F FAIL: ', KWM
+        print *, 'pp031.F no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp032.F b/flang/test/Preprocessing/pp032.F
--- a/flang/test/Preprocessing/pp032.F
+++ b/flang/test/Preprocessing/pp032.F
@@ -1,10 +1,13 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(777.eq.777)then
+! CHECK: print*,'pp032.F no: ',777
 * /* C comment */ \ newline erased from #define
       integer, parameter :: KWM = 666
 #define KWM 77/* C comment */\
 7
       if (KWM .eq. 777) then
-        print *, 'pp032.F pass'
+        print *, 'pp032.F yes'
       else
-        print *, 'pp032.F FAIL: ', KWM
+        print *, 'pp032.F no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp033.F b/flang/test/Preprocessing/pp033.F
--- a/flang/test/Preprocessing/pp033.F
+++ b/flang/test/Preprocessing/pp033.F
@@ -1,10 +1,13 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(777.eq.777)then
+! CHECK: print*,'pp033.F no: ',777
 * /* C comment \ newline */ erased from #define
       integer, parameter :: KWM = 666
 #define KWM 77/* C comment \
 */7
       if (KWM .eq. 777) then
-        print *, 'pp033.F pass'
+        print *, 'pp033.F yes'
       else
-        print *, 'pp033.F FAIL: ', KWM
+        print *, 'pp033.F no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp034.F b/flang/test/Preprocessing/pp034.F
--- a/flang/test/Preprocessing/pp034.F
+++ b/flang/test/Preprocessing/pp034.F
@@ -1,10 +1,13 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(777.eq.777)then
+! CHECK: print*,'pp034.F no: ',777
 * \ newline allowed in name on KWM definition
       integer, parameter :: KWMC = 666
 #define KWM\
 C 777
       if (KWMC .eq. 777) then
-        print *, 'pp034.F pass'
+        print *, 'pp034.F yes'
       else
-        print *, 'pp034.F FAIL: ', KWMC
+        print *, 'pp034.F no: ', KWMC
       end if
       end
diff --git a/flang/test/Preprocessing/pp035.F b/flang/test/Preprocessing/pp035.F
--- a/flang/test/Preprocessing/pp035.F
+++ b/flang/test/Preprocessing/pp035.F
@@ -1,3 +1,6 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(777.eq.777)then
+! CHECK: print*,'pp035.F no: ',777
 * #if 2 .LT. 3 works
       integer, parameter :: KWM = 666
 #if 2 .LT. 3
@@ -6,8 +9,8 @@
 #define KWM 667
 #endif
       if (KWM .eq. 777) then
-        print *, 'pp035.F pass'
+        print *, 'pp035.F yes'
       else
-        print *, 'pp035.F FAIL: ', KWM
+        print *, 'pp035.F no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp036.F b/flang/test/Preprocessing/pp036.F
--- a/flang/test/Preprocessing/pp036.F
+++ b/flang/test/Preprocessing/pp036.F
@@ -1,8 +1,11 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(.true.)then
+! CHECK: print*,'pp036.F no: ',.true.
 * #define FALSE TRUE ...  .FALSE. -> .TRUE.
 #define FALSE TRUE
       if (.FALSE.) then
-        print *, 'pp036.F pass'
+        print *, 'pp036.F yes'
       else
-        print *, 'pp036.F FAIL: ', .FALSE.
+        print *, 'pp036.F no: ', .FALSE.
       end if
       end
diff --git a/flang/test/Preprocessing/pp037.F b/flang/test/Preprocessing/pp037.F
--- a/flang/test/Preprocessing/pp037.F
+++ b/flang/test/Preprocessing/pp037.F
@@ -1,11 +1,14 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(7777.eq.777)then
+! CHECK: print*,'pp037.F no: ',7777
 * fixed-form clipping NOT applied to #define
       integer, parameter :: KWM = 666
 *        1         2         3         4         5         6         7
 *234567890123456789012345678901234567890123456789012345678901234567890123
 #define KWM                                                          7777
       if (KWM .eq. 777) then
-        print *, 'pp037.F pass'
+        print *, 'pp037.F yes'
       else
-        print *, 'pp037.F FAIL: ', KWM
+        print *, 'pp037.F no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp038.F b/flang/test/Preprocessing/pp038.F
--- a/flang/test/Preprocessing/pp038.F
+++ b/flang/test/Preprocessing/pp038.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=((666)+111)
 * FLM call with closing ')' on next line (not a continuation)
       integer function IFLM(x)
         integer :: x
@@ -9,8 +11,8 @@
       res = IFLM(666
 )
       if (res .eq. 777) then
-        print *, 'pp038.F pass'
+        print *, 'pp038.F yes'
       else
-        print *, 'pp038.F FAIL: ', res
+        print *, 'pp038.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp039.F b/flang/test/Preprocessing/pp039.F
--- a/flang/test/Preprocessing/pp039.F
+++ b/flang/test/Preprocessing/pp039.F
@@ -1,3 +1,7 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res=iflm
+! CHECK: (666)
+! CHECK-NOT: res=((666)+111)
 * FLM call with '(' on next line (not a continuation)
       integer function IFLM(x)
         integer :: x
@@ -9,8 +13,8 @@
       res = IFLM
 (666)
       if (res .eq. 777) then
-        print *, 'pp039.F pass'
+        print *, 'pp039.F yes'
       else
-        print *, 'pp039.F FAIL: ', res
+        print *, 'pp039.F no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp040.F b/flang/test/Preprocessing/pp040.F
--- a/flang/test/Preprocessing/pp040.F
+++ b/flang/test/Preprocessing/pp040.F
@@ -1,5 +1,7 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK-NOT: FAIL HARD!
 * #define KWM c, then KWM works as comment line initiator
 #define KWM c
 KWM   print *, 'pp040.F FAIL HARD!'; stop
-      print *, 'pp040.F pass'
+      print *, 'pp040.F yes'
       end
diff --git a/flang/test/Preprocessing/pp041.F b/flang/test/Preprocessing/pp041.F
--- a/flang/test/Preprocessing/pp041.F
+++ b/flang/test/Preprocessing/pp041.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: j=666wmj=j+1wm211
 * use KWM expansion as continuation indicators
 #define KWM 0
 #define KWM2 1
@@ -6,8 +8,8 @@
      KWM j = j + 1
      KWM2 11
       if (j .eq. 777) then
-        print *, 'pp041.F pass'
+        print *, 'pp041.F yes'
       else
-        print *, 'pp041.F FAIL', j
+        print *, 'pp041.F no', j
       end if
       end
diff --git a/flang/test/Preprocessing/pp042.F b/flang/test/Preprocessing/pp042.F
--- a/flang/test/Preprocessing/pp042.F
+++ b/flang/test/Preprocessing/pp042.F
@@ -1,6 +1,8 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK-NOT: goto 2
 * #define c 1, then use c as label in fixed-form
 #define c 1
-c     print *, 'pp042.F pass'; goto 2
-      print *, 'pp042.F FAIL'
+c     print *, 'pp042.F yes'; goto 2
+      print *, 'pp042.F no'
 2     continue
       end
diff --git a/flang/test/Preprocessing/pp043.F b/flang/test/Preprocessing/pp043.F
--- a/flang/test/Preprocessing/pp043.F
+++ b/flang/test/Preprocessing/pp043.F
@@ -1,11 +1,13 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(kwm.eq.777)then
 * #define with # in column 6 is a continuation line in fixed-form
       integer, parameter :: defineKWM666 = 555
       integer, parameter :: KWM =
      #define KWM 666
      ++222
       if (KWM .eq. 777) then
-        print *, 'pp043.F pass'
+        print *, 'pp043.F yes'
       else
-        print *, 'pp043.F FAIL: ', KWM
+        print *, 'pp043.F no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp044.F b/flang/test/Preprocessing/pp044.F
--- a/flang/test/Preprocessing/pp044.F
+++ b/flang/test/Preprocessing/pp044.F
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK-NOT:z=111
 * #define directive amid continuations
       integer, parameter :: KWM = 222, KWM111 = 333, KWM222 = 555
       integer, parameter :: KWMKWM = 333
@@ -5,8 +7,8 @@
 #define KWM 111
      +KWM+444
       if (z .EQ. 777) then
-        print *, 'pass'
+        print *, 'yes'
       else
-        print *, 'FAIL', z
+        print *, 'no', z
       end if
       end
diff --git a/flang/test/Preprocessing/pp101.F90 b/flang/test/Preprocessing/pp101.F90
--- a/flang/test/Preprocessing/pp101.F90
+++ b/flang/test/Preprocessing/pp101.F90
@@ -1,9 +1,11 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK:  if(777 .eq. 777) then
 ! keyword macros
       integer, parameter :: KWM = 666
 #define KWM 777
       if (KWM .eq. 777) then
-        print *, 'pp101.F90 pass'
+        print *, 'pp101.F90 yes'
       else
-        print *, 'pp101.F90 FAIL: ', KWM
+        print *, 'pp101.F90 no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp102.F90 b/flang/test/Preprocessing/pp102.F90
--- a/flang/test/Preprocessing/pp102.F90
+++ b/flang/test/Preprocessing/pp102.F90
@@ -1,10 +1,12 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(kwm .eq. 777) then
 ! #undef
       integer, parameter :: KWM = 777
 #define KWM 666
 #undef KWM
       if (KWM .eq. 777) then
-        print *, 'pp102.F90 pass'
+        print *, 'pp102.F90 yes'
       else
-        print *, 'pp102.F90 FAIL: ', KWM
+        print *, 'pp102.F90 no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp103.F90 b/flang/test/Preprocessing/pp103.F90
--- a/flang/test/Preprocessing/pp103.F90
+++ b/flang/test/Preprocessing/pp103.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = ((666)+111)
 ! function-like macros
       integer function IFLM(x)
         integer :: x
@@ -8,8 +10,8 @@
       integer :: res
       res = IFLM(666)
       if (res .eq. 777) then
-        print *, 'pp103.F90 pass'
+        print *, 'pp103.F90 yes'
       else
-        print *, 'pp103.F90 FAIL: ', res
+        print *, 'pp103.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp104.F90 b/flang/test/Preprocessing/pp104.F90
--- a/flang/test/Preprocessing/pp104.F90
+++ b/flang/test/Preprocessing/pp104.F90
@@ -1,9 +1,11 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(kwm .eq. 777) then
 ! KWMs case-sensitive
       integer, parameter :: KWM = 777
 #define KWM 666
       if (kwm .eq. 777) then
-        print *, 'pp104.F90 pass'
+        print *, 'pp104.F90 yes'
       else
-        print *, 'pp104.F90 FAIL: ', kwm
+        print *, 'pp104.F90 no: ', kwm
       end if
       end
diff --git a/flang/test/Preprocessing/pp105.F90 b/flang/test/Preprocessing/pp105.F90
--- a/flang/test/Preprocessing/pp105.F90
+++ b/flang/test/Preprocessing/pp105.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = 777
 ! KWM call name split across continuation, with leading &
       integer, parameter :: KWM = 666
 #define KWM 777
@@ -5,8 +7,8 @@
       res = KW&
 &M
       if (res .eq. 777) then
-        print *, 'pp105.F90 pass'
+        print *, 'pp105.F90 yes'
       else
-        print *, 'pp105.F90 FAIL: ', res
+        print *, 'pp105.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp106.F90 b/flang/test/Preprocessing/pp106.F90
--- a/flang/test/Preprocessing/pp106.F90
+++ b/flang/test/Preprocessing/pp106.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = 777
 ! ditto, with & ! comment
       integer, parameter :: KWM = 666
 #define KWM 777
@@ -5,8 +7,8 @@
       res = KW& ! comment
 &M
       if (res .eq. 777) then
-        print *, 'pp106.F90 pass'
+        print *, 'pp106.F90 yes'
       else
-        print *, 'pp106.F90 FAIL: ', res
+        print *, 'pp106.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp107.F90 b/flang/test/Preprocessing/pp107.F90
--- a/flang/test/Preprocessing/pp107.F90
+++ b/flang/test/Preprocessing/pp107.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = kwm
 ! KWM call name split across continuation, no leading &, with & ! comment
       integer, parameter :: KWM = 666
 #define KWM 777
@@ -5,8 +7,8 @@
       res = KW& ! comment
 M
       if (res .eq. 777) then
-        print *, 'pp107.F90 pass'
+        print *, 'pp107.F90 yes'
       else
-        print *, 'pp107.F90 FAIL: ', res
+        print *, 'pp107.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp108.F90 b/flang/test/Preprocessing/pp108.F90
--- a/flang/test/Preprocessing/pp108.F90
+++ b/flang/test/Preprocessing/pp108.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = kwm
 ! ditto, but without & ! comment
       integer, parameter :: KWM = 666
 #define KWM 777
@@ -5,8 +7,8 @@
       res = KW&
 M
       if (res .eq. 777) then
-        print *, 'pp108.F90 pass'
+        print *, 'pp108.F90 yes'
       else
-        print *, 'pp108.F90 FAIL: ', res
+        print *, 'pp108.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp109.F90 b/flang/test/Preprocessing/pp109.F90
--- a/flang/test/Preprocessing/pp109.F90
+++ b/flang/test/Preprocessing/pp109.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = ((666)+111)
 ! FLM call name split with leading &
       integer function IFLM(x)
         integer :: x
@@ -9,8 +11,8 @@
       res = IFL&
 &M(666)
       if (res .eq. 777) then
-        print *, 'pp109.F90 pass'
+        print *, 'pp109.F90 yes'
       else
-        print *, 'pp109.F90 FAIL: ', res
+        print *, 'pp109.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp110.F90 b/flang/test/Preprocessing/pp110.F90
--- a/flang/test/Preprocessing/pp110.F90
+++ b/flang/test/Preprocessing/pp110.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = ((666)+111)
 ! ditto, with & ! comment
       integer function IFLM(x)
         integer :: x
@@ -9,8 +11,8 @@
       res = IFL& ! comment
 &M(666)
       if (res .eq. 777) then
-        print *, 'pp110.F90 pass'
+        print *, 'pp110.F90 yes'
       else
-        print *, 'pp110.F90 FAIL: ', res
+        print *, 'pp110.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp111.F90 b/flang/test/Preprocessing/pp111.F90
--- a/flang/test/Preprocessing/pp111.F90
+++ b/flang/test/Preprocessing/pp111.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = iflm (666)
 ! FLM call name split across continuation, no leading &, with & ! comment
       integer function IFLM(x)
         integer :: x
@@ -9,8 +11,8 @@
       res = IFL& ! comment
 M(666)
       if (res .eq. 777) then
-        print *, 'pp111.F90 pass'
+        print *, 'pp111.F90 yes'
       else
-        print *, 'pp111.F90 FAIL: ', res
+        print *, 'pp111.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp112.F90 b/flang/test/Preprocessing/pp112.F90
--- a/flang/test/Preprocessing/pp112.F90
+++ b/flang/test/Preprocessing/pp112.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = iflm (666)
 ! ditto, but without & ! comment
       integer function IFLM(x)
         integer :: x
@@ -9,8 +11,8 @@
       res = IFL&
 M(666)
       if (res .eq. 777) then
-        print *, 'pp112.F90 pass'
+        print *, 'pp112.F90 yes'
       else
-        print *, 'pp112.F90 FAIL: ', res
+        print *, 'pp112.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp113.F90 b/flang/test/Preprocessing/pp113.F90
--- a/flang/test/Preprocessing/pp113.F90
+++ b/flang/test/Preprocessing/pp113.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = ((666)+111)
 ! FLM call split across continuation between name and (, leading &
       integer function IFLM(x)
         integer :: x
@@ -9,8 +11,8 @@
       res = IFLM&
 &(666)
       if (res .eq. 777) then
-        print *, 'pp113.F90 pass'
+        print *, 'pp113.F90 yes'
       else
-        print *, 'pp113.F90 FAIL: ', res
+        print *, 'pp113.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp114.F90 b/flang/test/Preprocessing/pp114.F90
--- a/flang/test/Preprocessing/pp114.F90
+++ b/flang/test/Preprocessing/pp114.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = ((666)+111)
 ! ditto, with & ! comment, leading &
       integer function IFLM(x)
         integer :: x
@@ -9,8 +11,8 @@
       res = IFLM& ! comment
 &(666)
       if (res .eq. 777) then
-        print *, 'pp114.F90 pass'
+        print *, 'pp114.F90 yes'
       else
-        print *, 'pp114.F90 FAIL: ', res
+        print *, 'pp114.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp115.F90 b/flang/test/Preprocessing/pp115.F90
--- a/flang/test/Preprocessing/pp115.F90
+++ b/flang/test/Preprocessing/pp115.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = iflm (666)
 ! ditto, with & ! comment, no leading &
       integer function IFLM(x)
         integer :: x
@@ -9,8 +11,8 @@
       res = IFLM& ! comment
 (666)
       if (res .eq. 777) then
-        print *, 'pp115.F90 pass'
+        print *, 'pp115.F90 yes'
       else
-        print *, 'pp115.F90 FAIL: ', res
+        print *, 'pp115.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp116.F90 b/flang/test/Preprocessing/pp116.F90
--- a/flang/test/Preprocessing/pp116.F90
+++ b/flang/test/Preprocessing/pp116.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = iflm (666)
 ! FLM call split between name and (, no leading &
       integer function IFLM(x)
         integer :: x
@@ -9,8 +11,8 @@
       res = IFLM&
 (666)
       if (res .eq. 777) then
-        print *, 'pp116.F90 pass'
+        print *, 'pp116.F90 yes'
       else
-        print *, 'pp116.F90 FAIL: ', res
+        print *, 'pp116.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp117.F90 b/flang/test/Preprocessing/pp117.F90
--- a/flang/test/Preprocessing/pp117.F90
+++ b/flang/test/Preprocessing/pp117.F90
@@ -1,10 +1,12 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(777 .eq. 777) then
 ! KWM rescan
       integer, parameter :: KWM = 666, KWM2 = 667
 #define KWM2 777
 #define KWM KWM2
       if (KWM .eq. 777) then
-        print *, 'pp117.F90 pass'
+        print *, 'pp117.F90 yes'
       else
-        print *, 'pp117.F90 FAIL: ', KWM
+        print *, 'pp117.F90 no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp118.F90 b/flang/test/Preprocessing/pp118.F90
--- a/flang/test/Preprocessing/pp118.F90
+++ b/flang/test/Preprocessing/pp118.F90
@@ -1,11 +1,13 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(kwm2 .eq. 777) then
 ! KWM rescan with #undef, proving rescan after expansion
       integer, parameter :: KWM2 = 777, KWM = 667
 #define KWM2 666
 #define KWM KWM2
 #undef KWM2
       if (KWM .eq. 777) then
-        print *, 'pp118.F90 pass'
+        print *, 'pp118.F90 yes'
       else
-        print *, 'pp118.F90 FAIL: ', KWM
+        print *, 'pp118.F90 no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp119.F90 b/flang/test/Preprocessing/pp119.F90
--- a/flang/test/Preprocessing/pp119.F90
+++ b/flang/test/Preprocessing/pp119.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = ((666)+111)
 ! FLM rescan
       integer function IFLM(x)
         integer :: x
@@ -10,8 +12,8 @@
       integer :: res
       res = IFLM(666)
       if (res .eq. 777) then
-        print *, 'pp119.F90 pass'
+        print *, 'pp119.F90 yes'
       else
-        print *, 'pp119.F90 FAIL: ', res
+        print *, 'pp119.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp120.F90 b/flang/test/Preprocessing/pp120.F90
--- a/flang/test/Preprocessing/pp120.F90
+++ b/flang/test/Preprocessing/pp120.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = ((111)+666)
 ! FLM expansion of argument
       integer function IFLM(x)
         integer :: x
@@ -10,8 +12,8 @@
       integer :: res
       res = IFLM(KWM)
       if (res .eq. 777) then
-        print *, 'pp120.F90 pass'
+        print *, 'pp120.F90 yes'
       else
-        print *, 'pp120.F90 FAIL: ', res
+        print *, 'pp120.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp121.F90 b/flang/test/Preprocessing/pp121.F90
--- a/flang/test/Preprocessing/pp121.F90
+++ b/flang/test/Preprocessing/pp121.F90
@@ -1,10 +1,13 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: ch = 'KWM'
+! CHECK: if(ch .eq. 'KWM') then
 ! KWM NOT expanded in 'literal'
 #define KWM 666
       character(len=3) :: ch
       ch = 'KWM'
       if (ch .eq. 'KWM') then
-        print *, 'pp121.F90 pass'
+        print *, 'pp121.F90 yes'
       else
-        print *, 'pp121.F90 FAIL: ', ch
+        print *, 'pp121.F90 no: ', ch
       end if
       end
diff --git a/flang/test/Preprocessing/pp122.F90 b/flang/test/Preprocessing/pp122.F90
--- a/flang/test/Preprocessing/pp122.F90
+++ b/flang/test/Preprocessing/pp122.F90
@@ -1,10 +1,12 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: ch = "KWM"
 ! KWM NOT expanded in "literal"
 #define KWM 666
       character(len=3) :: ch
       ch = "KWM"
       if (ch .eq. 'KWM') then
-        print *, 'pp122.F90 pass'
+        print *, 'pp122.F90 yes'
       else
-        print *, 'pp122.F90 FAIL: ', ch
+        print *, 'pp122.F90 no: ', ch
       end if
       end
diff --git a/flang/test/Preprocessing/pp123.F90 b/flang/test/Preprocessing/pp123.F90
--- a/flang/test/Preprocessing/pp123.F90
+++ b/flang/test/Preprocessing/pp123.F90
@@ -1,11 +1,13 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: ch = 3hKWM
 ! KWM NOT expanded in Hollerith literal
 #define KWM 666
 #define HKWM 667
       character(len=3) :: ch
       ch = 3HKWM
       if (ch .eq. 'KWM') then
-        print *, 'pp123.F90 pass'
+        print *, 'pp123.F90 yes'
       else
-        print *, 'pp123.F90 FAIL: ', ch
+        print *, 'pp123.F90 no: ', ch
       end if
       end
diff --git a/flang/test/Preprocessing/pp124.F90 b/flang/test/Preprocessing/pp124.F90
--- a/flang/test/Preprocessing/pp124.F90
+++ b/flang/test/Preprocessing/pp124.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: 100 format(3hKWM)
 ! KWM NOT expanded in Hollerith in FORMAT
 #define KWM 666
 #define HKWM 667
@@ -5,8 +7,8 @@
  100  format(3HKWM)
       write(ch, 100)
       if (ch .eq. 'KWM') then
-        print *, 'pp124.F90 pass'
+        print *, 'pp124.F90 yes'
       else
-        print *, 'pp124.F90 FAIL: ', ch
+        print *, 'pp124.F90 no: ', ch
       end if
       end
diff --git a/flang/test/Preprocessing/pp125.F90 b/flang/test/Preprocessing/pp125.F90
--- a/flang/test/Preprocessing/pp125.F90
+++ b/flang/test/Preprocessing/pp125.F90
@@ -1,9 +1,11 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(777 .eq. 777) then
 ! #DEFINE works in free form
       integer, parameter :: KWM = 666
 #DEFINE KWM 777
       if (KWM .eq. 777) then
-        print *, 'pp125.F90 pass'
+        print *, 'pp125.F90 yes'
       else
-        print *, 'pp125.F90 FAIL: ', KWM
+        print *, 'pp125.F90 no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp126.F90 b/flang/test/Preprocessing/pp126.F90
--- a/flang/test/Preprocessing/pp126.F90
+++ b/flang/test/Preprocessing/pp126.F90
@@ -1,10 +1,12 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: if(777 .eq. 777) then
 ! \ newline works in #define
       integer, parameter :: KWM = 666
 #define KWM 77\
 7
       if (KWM .eq. 777) then
-        print *, 'pp126.F90 pass'
+        print *, 'pp126.F90 yes'
       else
-        print *, 'pp126.F90 FAIL: ', KWM
+        print *, 'pp126.F90 no: ', KWM
       end if
       end
diff --git a/flang/test/Preprocessing/pp127.F90 b/flang/test/Preprocessing/pp127.F90
--- a/flang/test/Preprocessing/pp127.F90
+++ b/flang/test/Preprocessing/pp127.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = iflm(666 )
 ! FLM call with closing ')' on next line (not a continuation)
       integer function IFLM(x)
         integer :: x
@@ -9,8 +11,8 @@
       res = IFLM(666
 )
       if (res .eq. 777) then
-        print *, 'pp127.F90 pass'
+        print *, 'pp127.F90 yes'
       else
-        print *, 'pp127.F90 FAIL: ', res
+        print *, 'pp127.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp128.F90 b/flang/test/Preprocessing/pp128.F90
--- a/flang/test/Preprocessing/pp128.F90
+++ b/flang/test/Preprocessing/pp128.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: res = iflm
 ! FLM call with '(' on next line (not a continuation)
       integer function IFLM(x)
         integer :: x
@@ -9,8 +11,8 @@
       res = IFLM
 (666)
       if (res .eq. 777) then
-        print *, 'pp128.F90 pass'
+        print *, 'pp128.F90 yes'
       else
-        print *, 'pp128.F90 FAIL: ', res
+        print *, 'pp128.F90 no: ', res
       end if
       end
diff --git a/flang/test/Preprocessing/pp129.F90 b/flang/test/Preprocessing/pp129.F90
--- a/flang/test/Preprocessing/pp129.F90
+++ b/flang/test/Preprocessing/pp129.F90
@@ -1,5 +1,7 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK-NOT: stop
 ! #define KWM !, then KWM works as comment line initiator
 #define KWM !
 KWM   print *, 'pp129.F90 FAIL HARD!'; stop
-      print *, 'pp129.F90 pass'
+      print *, 'pp129.F90 yes'
       end
diff --git a/flang/test/Preprocessing/pp130.F90 b/flang/test/Preprocessing/pp130.F90
--- a/flang/test/Preprocessing/pp130.F90
+++ b/flang/test/Preprocessing/pp130.F90
@@ -1,3 +1,5 @@
+! RUN: %f18 -E %s 2>&1 | FileCheck %s
+! CHECK: j = j + &
 ! #define KWM &, use for continuation w/o pasting (ifort and nag seem to continue #define)
 #define KWM &
 
@@ -6,8 +8,8 @@
       j = j + KWM
 111
       if (j .eq. 777) then
-        print *, 'pp130.F90 pass'
+        print *, 'pp130.F90 yes'
       else
-        print *, 'pp130.F90 FAIL', j
+        print *, 'pp130.F90 no', j
       end if
       end