diff --git a/compiler-rt/lib/builtins/README.txt b/compiler-rt/lib/builtins/README.txt
--- a/compiler-rt/lib/builtins/README.txt
+++ b/compiler-rt/lib/builtins/README.txt
@@ -35,13 +35,13 @@
 
 // Integral bit manipulation
 
-di_int __ashldi3(di_int a, si_int b);      // a << b
-ti_int __ashlti3(ti_int a, si_int b);      // a << b
+di_int __ashldi3(di_int a, int b);         // a << b
+ti_int __ashlti3(ti_int a, int b);         // a << b
 
-di_int __ashrdi3(di_int a, si_int b);      // a >> b  arithmetic (sign fill)
-ti_int __ashrti3(ti_int a, si_int b);      // a >> b  arithmetic (sign fill)
-di_int __lshrdi3(di_int a, si_int b);      // a >> b  logical    (zero fill)
-ti_int __lshrti3(ti_int a, si_int b);      // a >> b  logical    (zero fill)
+di_int __ashrdi3(di_int a, int b);         // a >> b  arithmetic (sign fill)
+ti_int __ashrti3(ti_int a, int b);         // a >> b  arithmetic (sign fill)
+di_int __lshrdi3(di_int a, int b);         // a >> b  logical    (zero fill)
+ti_int __lshrti3(ti_int a, int b);         // a >> b  logical    (zero fill)
 
 int __clzsi2(si_int a);  // count leading zeros
 int __clzdi2(di_int a);  // count leading zeros
diff --git a/compiler-rt/lib/builtins/ashlti3.c b/compiler-rt/lib/builtins/ashlti3.c
--- a/compiler-rt/lib/builtins/ashlti3.c
+++ b/compiler-rt/lib/builtins/ashlti3.c
@@ -18,7 +18,7 @@
 
 // Precondition:  0 <= b < bits_in_tword
 
-COMPILER_RT_ABI ti_int __ashlti3(ti_int a, si_int b) {
+COMPILER_RT_ABI ti_int __ashlti3(ti_int a, int b) {
   const int bits_in_dword = (int)(sizeof(di_int) * CHAR_BIT);
   twords input;
   twords result;
diff --git a/compiler-rt/lib/builtins/ashrti3.c b/compiler-rt/lib/builtins/ashrti3.c
--- a/compiler-rt/lib/builtins/ashrti3.c
+++ b/compiler-rt/lib/builtins/ashrti3.c
@@ -18,7 +18,7 @@
 
 // Precondition:  0 <= b < bits_in_tword
 
-COMPILER_RT_ABI ti_int __ashrti3(ti_int a, si_int b) {
+COMPILER_RT_ABI ti_int __ashrti3(ti_int a, int b) {
   const int bits_in_dword = (int)(sizeof(di_int) * CHAR_BIT);
   twords input;
   twords result;
diff --git a/compiler-rt/lib/builtins/lshrti3.c b/compiler-rt/lib/builtins/lshrti3.c
--- a/compiler-rt/lib/builtins/lshrti3.c
+++ b/compiler-rt/lib/builtins/lshrti3.c
@@ -18,7 +18,7 @@
 
 // Precondition:  0 <= b < bits_in_tword
 
-COMPILER_RT_ABI ti_int __lshrti3(ti_int a, si_int b) {
+COMPILER_RT_ABI ti_int __lshrti3(ti_int a, int b) {
   const int bits_in_dword = (int)(sizeof(di_int) * CHAR_BIT);
   utwords input;
   utwords result;
diff --git a/compiler-rt/test/builtins/Unit/ashlti3_test.c b/compiler-rt/test/builtins/Unit/ashlti3_test.c
--- a/compiler-rt/test/builtins/Unit/ashlti3_test.c
+++ b/compiler-rt/test/builtins/Unit/ashlti3_test.c
@@ -11,9 +11,9 @@
 
 // Precondition:  0 <= b < bits_in_tword
 
-COMPILER_RT_ABI ti_int __ashlti3(ti_int a, si_int b);
+COMPILER_RT_ABI ti_int __ashlti3(ti_int a, int b);
 
-int test__ashlti3(ti_int a, si_int b, ti_int expected)
+int test__ashlti3(ti_int a, int b, ti_int expected)
 {
     ti_int x = __ashlti3(a, b);
     if (x != expected)
diff --git a/compiler-rt/test/builtins/Unit/ashrti3_test.c b/compiler-rt/test/builtins/Unit/ashrti3_test.c
--- a/compiler-rt/test/builtins/Unit/ashrti3_test.c
+++ b/compiler-rt/test/builtins/Unit/ashrti3_test.c
@@ -11,9 +11,9 @@
 
 // Precondition:  0 <= b < bits_in_tword
 
-COMPILER_RT_ABI ti_int __ashrti3(ti_int a, si_int b);
+COMPILER_RT_ABI ti_int __ashrti3(ti_int a, int b);
 
-int test__ashrti3(ti_int a, si_int b, ti_int expected)
+int test__ashrti3(ti_int a, int b, ti_int expected)
 {
     ti_int x = __ashrti3(a, b);
     if (x != expected)
diff --git a/compiler-rt/test/builtins/Unit/lshrti3_test.c b/compiler-rt/test/builtins/Unit/lshrti3_test.c
--- a/compiler-rt/test/builtins/Unit/lshrti3_test.c
+++ b/compiler-rt/test/builtins/Unit/lshrti3_test.c
@@ -11,9 +11,9 @@
 
 // Precondition:  0 <= b < bits_in_dword
 
-COMPILER_RT_ABI ti_int __lshrti3(ti_int a, si_int b);
+COMPILER_RT_ABI ti_int __lshrti3(ti_int a, int b);
 
-int test__lshrti3(ti_int a, si_int b, ti_int expected)
+int test__lshrti3(ti_int a, int b, ti_int expected)
 {
     ti_int x = __lshrti3(a, b);
     if (x != expected)