diff --git a/llvm/test/Transforms/NewGVN/pr35074-phi-of-ops.ll b/llvm/test/Transforms/NewGVN/pr35074-phi-of-ops.ll new file mode 100644 --- /dev/null +++ b/llvm/test/Transforms/NewGVN/pr35074-phi-of-ops.ll @@ -0,0 +1,55 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt -passes=newgvn -S %s | FileCheck %s + +define void @crash1_pr35074(i32 %this, i1 %c) { +; CHECK-LABEL: @crash1_pr35074( +; CHECK-NEXT: entry: +; CHECK-NEXT: br label [[FOR_COND:%.*]] +; CHECK: for.cond: +; CHECK-NEXT: [[PHIOFOPS:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[Y_0:%.*]], [[FOR_INC6:%.*]] ] +; CHECK-NEXT: [[Y_0]] = phi i32 [ 1, [[ENTRY]] ], [ [[INC7:%.*]], [[FOR_INC6]] ] +; CHECK-NEXT: br i1 [[C:%.*]], label [[FOR_INC6]], label [[FOR_BODY_LR_PH:%.*]] +; CHECK: for.body.lr.ph: +; CHECK-NEXT: br label [[FOR_BODY4:%.*]] +; CHECK: for.body4: +; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 [[PHIOFOPS]], [[Y_0]] +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_END:%.*]], label [[FOR_BODY4_1:%.*]] +; CHECK: for.end: +; CHECK-NEXT: ret void +; CHECK: for.inc6: +; CHECK-NEXT: [[INC7]] = add nuw nsw i32 [[Y_0]], 1 +; CHECK-NEXT: br label [[FOR_COND]] +; CHECK: for.body4.1: +; CHECK-NEXT: [[INC_1:%.*]] = add nuw nsw i32 [[Y_0]], 1 +; CHECK-NEXT: tail call void @_blah(i32 [[INC_1]]) +; CHECK-NEXT: br label [[FOR_END]] +; +entry: + br label %for.cond + +for.cond: ; preds = %for.inc6, %entry + %y.0 = phi i32 [ 1, %entry ], [ %inc7, %for.inc6 ] + br i1 %c, label %for.inc6, label %for.body.lr.ph + +for.body.lr.ph: ; preds = %for.cond + %sub = add nsw i32 %y.0, -1 + br label %for.body4 + +for.body4: ; preds = %for.body.lr.ph + %cmp = icmp ugt i32 %sub, %y.0 + br i1 %cmp, label %for.end, label %for.body4.1 + +for.end: ; preds = %for.body4.1, %for.body4 + ret void + +for.inc6: ; preds = %for.cond + %inc7 = add nuw nsw i32 %y.0, 1 + br label %for.cond + +for.body4.1: ; preds = %for.body4 + %inc.1 = add nuw nsw i32 %y.0, 1 + tail call void @_blah(i32 %inc.1) + br label %for.end +} + +declare void @_blah(i32) diff --git a/llvm/test/Transforms/NewGVN/todo-pr37121-seens-this-value-a-lot.ll b/llvm/test/Transforms/NewGVN/pr37121-seens-this-value-a-lot.ll rename from llvm/test/Transforms/NewGVN/todo-pr37121-seens-this-value-a-lot.ll rename to llvm/test/Transforms/NewGVN/pr37121-seens-this-value-a-lot.ll --- a/llvm/test/Transforms/NewGVN/todo-pr37121-seens-this-value-a-lot.ll +++ b/llvm/test/Transforms/NewGVN/pr37121-seens-this-value-a-lot.ll @@ -1,12 +1,16 @@ -; REQUIRES: asserts - +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes=newgvn -S %s | FileCheck %s -; XFAIL: * - -; TODO: Current NewGVN crashes on the function below. See PR37121. - define hidden void @foo() { +; CHECK-LABEL: @foo( +; CHECK-NEXT: top: +; CHECK-NEXT: br label [[IF:%.*]] +; CHECK: if: +; CHECK-NEXT: br i1 false, label [[L50:%.*]], label [[IF]] +; CHECK: L50: +; CHECK-NEXT: store i8 poison, i8* null, align 1 +; CHECK-NEXT: ret void +; top: %.promoted = load i8, i8* undef, align 8 br label %if diff --git a/llvm/test/Transforms/NewGVN/pr42422-phi-of-ops.ll b/llvm/test/Transforms/NewGVN/pr42422-phi-of-ops.ll new file mode 100644 --- /dev/null +++ b/llvm/test/Transforms/NewGVN/pr42422-phi-of-ops.ll @@ -0,0 +1,140 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt -passes=newgvn -S %s | FileCheck %s + +define void @d() { +; CHECK-LABEL: @d( +; CHECK-NEXT: entry: +; CHECK-NEXT: br label [[FOR_COND:%.*]] +; CHECK: for.cond: +; CHECK-NEXT: br label [[FOR_COND1:%.*]] +; CHECK: for.cond1: +; CHECK-NEXT: [[TMP0:%.*]] = phi i32 [ [[INC18:%.*]], [[FOR_INC17:%.*]] ], [ 0, [[FOR_COND]] ] +; CHECK-NEXT: [[CMP:%.*]] = icmp sle i32 [[TMP0]], 1 +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END19:%.*]] +; CHECK: for.body: +; CHECK-NEXT: br i1 undef, label [[FOR_BODY3:%.*]], label [[FOR_BODY_FOR_COND4_CRIT_EDGE:%.*]] +; CHECK: for.body.for.cond4_crit_edge: +; CHECK-NEXT: br label [[FOR_COND4:%.*]] +; CHECK: for.body3: +; CHECK-NEXT: br label [[CLEANUP14:%.*]] +; CHECK: for.cond4: +; CHECK-NEXT: br i1 undef, label [[IF_THEN:%.*]], label [[IF_END:%.*]] +; CHECK: if.then: +; CHECK-NEXT: br label [[CLEANUP:%.*]] +; CHECK: if.end: +; CHECK-NEXT: br label [[FOR_COND6:%.*]] +; CHECK: for.cond6: +; CHECK-NEXT: [[TMP1:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ 0, [[IF_END]] ] +; CHECK-NEXT: [[CMP7:%.*]] = icmp sle i64 [[TMP1]], 1 +; CHECK-NEXT: br i1 [[CMP7]], label [[FOR_INC]], label [[FOR_END9:%.*]] +; CHECK: for.inc: +; CHECK-NEXT: [[INC]] = add nsw i64 [[TMP1]], 1 +; CHECK-NEXT: br label [[FOR_COND6]] +; CHECK: for.end9: +; CHECK-NEXT: br i1 true, label [[IF_THEN11:%.*]], label [[IF_END12:%.*]] +; CHECK: if.then11: +; CHECK-NEXT: br label [[CLEANUP]] +; CHECK: if.end12: +; CHECK-NEXT: store i8 poison, i8* null, align 1 +; CHECK-NEXT: br label [[CLEANUP]] +; CHECK: cleanup: +; CHECK-NEXT: [[CLEANUP_DEST:%.*]] = phi i32 [ poison, [[IF_END12]] ], [ 1, [[IF_THEN11]] ], [ 9, [[IF_THEN]] ] +; CHECK-NEXT: switch i32 [[CLEANUP_DEST]], label [[CLEANUP14]] [ +; CHECK-NEXT: i32 0, label [[FOR_COND4]] +; CHECK-NEXT: i32 9, label [[FOR_END13:%.*]] +; CHECK-NEXT: ] +; CHECK: for.end13: +; CHECK-NEXT: br label [[CLEANUP14]] +; CHECK: cleanup14: +; CHECK-NEXT: [[CLEANUP_DEST15:%.*]] = phi i32 [ 0, [[FOR_END13]] ], [ [[CLEANUP_DEST]], [[CLEANUP]] ], [ 1, [[FOR_BODY3]] ] +; CHECK-NEXT: [[COND1:%.*]] = icmp eq i32 [[CLEANUP_DEST15]], 0 +; CHECK-NEXT: br i1 [[COND1]], label [[FOR_INC17]], label [[CLEANUP20:%.*]] +; CHECK: for.inc17: +; CHECK-NEXT: [[INC18]] = add nsw i32 [[TMP0]], 1 +; CHECK-NEXT: br label [[FOR_COND1]] +; CHECK: for.end19: +; CHECK-NEXT: br label [[CLEANUP20]] +; CHECK: cleanup20: +; CHECK-NEXT: [[PHIOFOPS:%.*]] = phi i1 [ true, [[FOR_END19]] ], [ [[COND1]], [[CLEANUP14]] ] +; CHECK-NEXT: [[CLEANUP_DEST21:%.*]] = phi i32 [ [[CLEANUP_DEST15]], [[CLEANUP14]] ], [ 0, [[FOR_END19]] ] +; CHECK-NEXT: br i1 [[PHIOFOPS]], label [[FOR_COND]], label [[CLEANUP23:%.*]] +; CHECK: cleanup23: +; CHECK-NEXT: ret void +; +entry: + br label %for.cond + +for.cond: ; preds = %cleanup20, %entry + br label %for.cond1 + +for.cond1: ; preds = %for.inc17, %for.cond + %0 = phi i32 [ %inc18, %for.inc17 ], [ 0, %for.cond ] + %cmp = icmp sle i32 %0, 1 + br i1 %cmp, label %for.body, label %for.end19 + +for.body: ; preds = %for.cond1 + br i1 undef, label %for.body3, label %for.body.for.cond4_crit_edge + +for.body.for.cond4_crit_edge: ; preds = %for.body + br label %for.cond4 + +for.body3: ; preds = %for.body + br label %cleanup14 + +for.cond4: ; preds = %cleanup, %for.body.for.cond4_crit_edge + br i1 undef, label %if.then, label %if.end + +if.then: ; preds = %for.cond4 + br label %cleanup + +if.end: ; preds = %for.cond4 + br label %for.cond6 + +for.cond6: ; preds = %for.inc, %if.end + %1 = phi i64 [ %inc, %for.inc ], [ 0, %if.end ] + %cmp7 = icmp sle i64 %1, 1 + br i1 %cmp7, label %for.inc, label %for.end9 + +for.inc: ; preds = %for.cond6 + %inc = add nsw i64 %1, 1 + br label %for.cond6 + +for.end9: ; preds = %for.cond6 + br i1 true, label %if.then11, label %if.end12 + +if.then11: ; preds = %for.end9 + br label %cleanup + +if.end12: ; preds = %for.end9 + br label %cleanup + +cleanup: ; preds = %if.end12, %if.then11, %if.then + %cleanup.dest = phi i32 [ undef, %if.end12 ], [ 1, %if.then11 ], [ 9, %if.then ] + switch i32 %cleanup.dest, label %cleanup14 [ + i32 0, label %for.cond4 + i32 9, label %for.end13 + ] + +for.end13: ; preds = %cleanup + br label %cleanup14 + +cleanup14: ; preds = %for.end13, %cleanup, %for.body3 + %cleanup.dest15 = phi i32 [ 0, %for.end13 ], [ %cleanup.dest, %cleanup ], [ 1, %for.body3 ] + %cond1 = icmp eq i32 %cleanup.dest15, 0 + br i1 %cond1, label %for.inc17, label %cleanup20 + +for.inc17: ; preds = %cleanup14 + %inc18 = add nsw i32 %0, 1 + br label %for.cond1 + +for.end19: ; preds = %for.cond1 + br label %cleanup20 + +cleanup20: ; preds = %for.end19, %cleanup14 + %cleanup.dest21 = phi i32 [ %cleanup.dest15, %cleanup14 ], [ 0, %for.end19 ] + %cond = icmp eq i32 %cleanup.dest21, 0 + br i1 %cond, label %for.cond, label %cleanup23 + +cleanup23: ; preds = %cleanup20 + ret void +} diff --git a/llvm/test/Transforms/NewGVN/todo-pr35074-phi-of-ops.ll b/llvm/test/Transforms/NewGVN/todo-pr35074-phi-of-ops.ll deleted file mode 100644 --- a/llvm/test/Transforms/NewGVN/todo-pr35074-phi-of-ops.ll +++ /dev/null @@ -1,37 +0,0 @@ -; REQUIRES: asserts - -; RUN: opt -passes=newgvn -S %s | FileCheck %s - -XFAIL: * - -; TODO: Test case for PR35074. Crashes caused by phi-of-ops. -define void @crash1_pr35074(i32 %this, i1 %c) { -entry: - br label %for.cond - -for.cond: ; preds = %for.inc6, %entry - %y.0 = phi i32 [ 1, %entry ], [ %inc7, %for.inc6 ] - br i1 %c, label %for.inc6, label %for.body.lr.ph - -for.body.lr.ph: ; preds = %for.cond - %sub = add nsw i32 %y.0, -1 - br label %for.body4 - -for.body4: ; preds = %for.body.lr.ph - %cmp = icmp ugt i32 %sub, %y.0 - br i1 %cmp, label %for.end, label %for.body4.1 - -for.end: ; preds = %for.body4.1, %for.body4 - ret void - -for.inc6: ; preds = %for.cond - %inc7 = add nuw nsw i32 %y.0, 1 - br label %for.cond - -for.body4.1: ; preds = %for.body4 - %inc.1 = add nuw nsw i32 %y.0, 1 - tail call void @_blah(i32 %inc.1) - br label %for.end -} - -declare void @_blah(i32) diff --git a/llvm/test/Transforms/NewGVN/todo-pr42422-phi-of-ops.ll b/llvm/test/Transforms/NewGVN/todo-pr42422-phi-of-ops.ll deleted file mode 100644 --- a/llvm/test/Transforms/NewGVN/todo-pr42422-phi-of-ops.ll +++ /dev/null @@ -1,86 +0,0 @@ -; REQUIRES: asserts - -; RUN: opt -passes=newgvn -S %s | FileCheck %s - -; XFAIL: * - -; TODO: Currently NewGVN crashes on the function below, see PR42422. - -define void @d() { -entry: - br label %for.cond - -for.cond: ; preds = %cleanup20, %entry - br label %for.cond1 - -for.cond1: ; preds = %for.inc17, %for.cond - %0 = phi i32 [ %inc18, %for.inc17 ], [ 0, %for.cond ] - %cmp = icmp sle i32 %0, 1 - br i1 %cmp, label %for.body, label %for.end19 - -for.body: ; preds = %for.cond1 - br i1 undef, label %for.body3, label %for.body.for.cond4_crit_edge - -for.body.for.cond4_crit_edge: ; preds = %for.body - br label %for.cond4 - -for.body3: ; preds = %for.body - br label %cleanup14 - -for.cond4: ; preds = %cleanup, %for.body.for.cond4_crit_edge - br i1 undef, label %if.then, label %if.end - -if.then: ; preds = %for.cond4 - br label %cleanup - -if.end: ; preds = %for.cond4 - br label %for.cond6 - -for.cond6: ; preds = %for.inc, %if.end - %1 = phi i64 [ %inc, %for.inc ], [ 0, %if.end ] - %cmp7 = icmp sle i64 %1, 1 - br i1 %cmp7, label %for.inc, label %for.end9 - -for.inc: ; preds = %for.cond6 - %inc = add nsw i64 %1, 1 - br label %for.cond6 - -for.end9: ; preds = %for.cond6 - br i1 true, label %if.then11, label %if.end12 - -if.then11: ; preds = %for.end9 - br label %cleanup - -if.end12: ; preds = %for.end9 - br label %cleanup - -cleanup: ; preds = %if.end12, %if.then11, %if.then - %cleanup.dest = phi i32 [ undef, %if.end12 ], [ 1, %if.then11 ], [ 9, %if.then ] - switch i32 %cleanup.dest, label %cleanup14 [ - i32 0, label %for.cond4 - i32 9, label %for.end13 - ] - -for.end13: ; preds = %cleanup - br label %cleanup14 - -cleanup14: ; preds = %for.end13, %cleanup, %for.body3 - %cleanup.dest15 = phi i32 [ 0, %for.end13 ], [ %cleanup.dest, %cleanup ], [ 1, %for.body3 ] - %cond1 = icmp eq i32 %cleanup.dest15, 0 - br i1 %cond1, label %for.inc17, label %cleanup20 - -for.inc17: ; preds = %cleanup14 - %inc18 = add nsw i32 %0, 1 - br label %for.cond1 - -for.end19: ; preds = %for.cond1 - br label %cleanup20 - -cleanup20: ; preds = %for.end19, %cleanup14 - %cleanup.dest21 = phi i32 [ %cleanup.dest15, %cleanup14 ], [ 0, %for.end19 ] - %cond = icmp eq i32 %cleanup.dest21, 0 - br i1 %cond, label %for.cond, label %cleanup23 - -cleanup23: ; preds = %cleanup20 - ret void -}