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| author | Meador Inge <meadori@codesourcery.com> | 2012-11-10 15:16:48 +0000 |
|---|---|---|
| committer | Meador Inge <meadori@codesourcery.com> | 2012-11-10 15:16:48 +0000 |
| commit | 5464ee7eaaf490444589d8716ae529827e29aa9b (patch) | |
| tree | 3ed96c525ff2322c44fd065db57405a72435c544 /test/Transforms/SimplifyLibCalls | |
| parent | 79949597b281f0fd757bc11178e39887d0ba9735 (diff) | |
instcombine: Migrate strcspn optimizations
This patch migrates the strcspn optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167675 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/SimplifyLibCalls')
| -rw-r--r-- | test/Transforms/SimplifyLibCalls/StrSpn.ll | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/test/Transforms/SimplifyLibCalls/StrSpn.ll b/test/Transforms/SimplifyLibCalls/StrSpn.ll deleted file mode 100644 index 2660ee9800..0000000000 --- a/test/Transforms/SimplifyLibCalls/StrSpn.ll +++ /dev/null @@ -1,25 +0,0 @@ -; RUN: opt < %s -simplify-libcalls -S | FileCheck %s - -target datalayout = "-p:64:64:64" - -@abcba = constant [6 x i8] c"abcba\00" -@abc = constant [4 x i8] c"abc\00" -@null = constant [1 x i8] zeroinitializer - -declare i64 @strcspn(i8*, i8*) - -define i64 @testcspn(i8* %s1, i8* %s2) { - %abcba_p = getelementptr [6 x i8]* @abcba, i32 0, i32 0 - %abc_p = getelementptr [4 x i8]* @abc, i32 0, i32 0 - %null_p = getelementptr [1 x i8]* @null, i32 0, i32 0 - %test1 = call i64 @strcspn(i8* %s1, i8* %null_p) -; CHECK: call i64 @strlen(i8* %s1) - %test2 = call i64 @strcspn(i8* %null_p, i8* %s2) - %test3 = call i64 @strcspn(i8* %abcba_p, i8* %abc_p) -; CHECK-NOT: call i64 @strcspn - %test4 = call i64 @strcspn(i8* %s1, i8* %s2) -; CHECK: call i64 @strcspn(i8* %s1, i8* %s2) - %add0 = add i64 %test1, %test3 -; CHECK: add i64 %{{.+}}, 0 - ret i64 %add0 -} |