Simplify the loop in StrChrOptimizer. FileCheckize test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115095 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/SimplifyLibCalls/StrChr.ll b/test/Transforms/SimplifyLibCalls/StrChr.ll
index 50ca0a6..eaabeb2 100644
--- a/test/Transforms/SimplifyLibCalls/StrChr.ll
+++ b/test/Transforms/SimplifyLibCalls/StrChr.ll
@@ -1,26 +1,26 @@
; Test that the StrChrOptimizer works correctly
-; RUN: opt < %s -simplify-libcalls -S | \
-; RUN: not grep {call.*@strchr}
+; RUN: opt < %s -simplify-libcalls -S | FileCheck %s
; This transformation requires the pointer size, as it assumes that size_t is
; the size of a pointer.
target datalayout = "-p:64:64:64"
-@hello = constant [14 x i8] c"hello world\5Cn\00" ; <[14 x i8]*> [#uses=1]
-@null = constant [1 x i8] zeroinitializer ; <[1 x i8]*> [#uses=1]
+@hello = constant [14 x i8] c"hello world\5Cn\00"
+@null = constant [1 x i8] zeroinitializer
declare i8* @strchr(i8*, i32)
-declare i32 @puts(i8*)
-
-define i32 @main() {
- %hello_p = getelementptr [14 x i8]* @hello, i32 0, i32 0 ; <i8*> [#uses=2]
- %null_p = getelementptr [1 x i8]* @null, i32 0, i32 0 ; <i8*> [#uses=1]
- %world = call i8* @strchr( i8* %hello_p, i32 119 ) ; <i8*> [#uses=1]
- %ignore = call i8* @strchr( i8* %null_p, i32 119 ) ; <i8*> [#uses=0]
- %len = call i32 @puts( i8* %world ) ; <i32> [#uses=1]
- %index = add i32 %len, 112 ; <i32> [#uses=2]
- %result = call i8* @strchr( i8* %hello_p, i32 %index ) ; <i8*> [#uses=0]
+define i32 @foo(i32 %index) {
+ %hello_p = getelementptr [14 x i8]* @hello, i32 0, i32 0
+ %null_p = getelementptr [1 x i8]* @null, i32 0, i32 0
+ %world = call i8* @strchr(i8* %hello_p, i32 119)
+; CHECK: getelementptr i8* %hello_p, i64 6
+ %ignore = call i8* @strchr(i8* %null_p, i32 119)
+; CHECK-NOT: call i8* strchr
+ %null = call i8* @strchr(i8* %hello_p, i32 0)
+; CHECK: getelementptr i8* %hello_p, i64 13
+ %result = call i8* @strchr(i8* %hello_p, i32 %index)
+; CHECK: call i8* @memchr(i8* %hello_p, i32 %index, i64 14)
ret i32 %index
}