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| author | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
|---|---|---|
| committer | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
| commit | e264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch) | |
| tree | 59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/CodeGen/X86/fold-mul-lohi.ll | |
| download | external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.zip external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.tar.gz external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.tar.bz2 | |
Check in LLVM r95781.
Diffstat (limited to 'test/CodeGen/X86/fold-mul-lohi.ll')
| -rw-r--r-- | test/CodeGen/X86/fold-mul-lohi.ll | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/CodeGen/X86/fold-mul-lohi.ll b/test/CodeGen/X86/fold-mul-lohi.ll new file mode 100644 index 0000000..0351eca --- /dev/null +++ b/test/CodeGen/X86/fold-mul-lohi.ll @@ -0,0 +1,30 @@ +; RUN: llc < %s -march=x86 | not grep lea +; RUN: llc < %s -march=x86-64 | not grep lea + +@B = external global [1000 x i8], align 32 +@A = external global [1000 x i8], align 32 +@P = external global [1000 x i8], align 32 + +define void @foo(i32 %m) nounwind { +entry: + %tmp1 = icmp sgt i32 %m, 0 + br i1 %tmp1, label %bb, label %return + +bb: + %i.019.0 = phi i32 [ %indvar.next, %bb ], [ 0, %entry ] + %tmp2 = getelementptr [1000 x i8]* @B, i32 0, i32 %i.019.0 + %tmp3 = load i8* %tmp2, align 4 + %tmp4 = mul i8 %tmp3, 2 + %tmp5 = getelementptr [1000 x i8]* @A, i32 0, i32 %i.019.0 + store i8 %tmp4, i8* %tmp5, align 4 + %tmp8 = mul i32 %i.019.0, 9 + %tmp10 = getelementptr [1000 x i8]* @P, i32 0, i32 %tmp8 + store i8 17, i8* %tmp10, align 4 + %indvar.next = add i32 %i.019.0, 1 + %exitcond = icmp eq i32 %indvar.next, %m + br i1 %exitcond, label %return, label %bb + +return: + ret void +} + |