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| author | Bill Wendling <isanbard@gmail.com> | 2009-11-19 01:33:57 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2009-11-19 01:33:57 +0000 |
| commit | 73fb12e94ad66fee4f8a56049b18113f604cee36 (patch) | |
| tree | 12c932f0009f7bc27148dbdf30142afdc697b1da | |
| parent | 1b6a195cbe09d455be646027b83b039c7fa6b06d (diff) | |
| download | external_llvm-73fb12e94ad66fee4f8a56049b18113f604cee36.zip external_llvm-73fb12e94ad66fee4f8a56049b18113f604cee36.tar.gz external_llvm-73fb12e94ad66fee4f8a56049b18113f604cee36.tar.bz2 | |
Test from Dhrystone to make sure that we're not emitting an aligned load for a
string that's aligned at 8-bytes instead of 16-bytes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89295 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | test/CodeGen/X86/unaligned-load.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/X86/unaligned-load.ll b/test/CodeGen/X86/unaligned-load.ll new file mode 100644 index 0000000..7dddcda --- /dev/null +++ b/test/CodeGen/X86/unaligned-load.ll @@ -0,0 +1,28 @@ +; RUN: llc < %s -mtriple=x86_64-apple-darwin10.0 -relocation-model=dynamic-no-pic | not grep {movaps\t_.str3} +; RUN: llc < %s -mtriple=x86_64-apple-darwin10.0 -relocation-model=dynamic-no-pic | FileCheck %s + +@.str1 = internal constant [31 x i8] c"DHRYSTONE PROGRAM, SOME STRING\00", align 8 +@.str3 = internal constant [31 x i8] c"DHRYSTONE PROGRAM, 2'ND STRING\00", align 8 + +define void @func() nounwind ssp { +entry: + %String2Loc = alloca [31 x i8], align 1 + br label %bb + +bb: + %String2Loc9 = getelementptr inbounds [31 x i8]* %String2Loc, i64 0, i64 0 + call void @llvm.memcpy.i64(i8* %String2Loc9, i8* getelementptr inbounds ([31 x i8]* @.str3, i64 0, i64 0), i64 31, i32 1) +; CHECK: movups _.str3 + br label %bb + +return: + ret void +} + +declare void @llvm.memcpy.i64(i8* nocapture, i8* nocapture, i64, i32) nounwind + +; CHECK: .align 3 +; CHECK-NEXT: _.str1: +; CHECK-NEXT: .asciz "DHRYSTONE PROGRAM, SOME STRING" +; CHECK-NEXT: .align 3 +; CHECK-NEXT: _.str3: |