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| author | Dale Johannesen <dalej@apple.com> | 2009-05-11 17:15:42 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2009-05-11 17:15:42 +0000 |
| commit | c1acc3f764804d25f70d88f937ef9c460143e0f1 (patch) | |
| tree | 149c9fdd6325f0a2ff25c32610c4de1e33bde324 /test/CodeGen/X86/pr3495.ll | |
| parent | b9cfbd94abb23ec8646b9b10aa4ac3d1cbf4461e (diff) | |
| download | external_llvm-c1acc3f764804d25f70d88f937ef9c460143e0f1.zip external_llvm-c1acc3f764804d25f70d88f937ef9c460143e0f1.tar.gz external_llvm-c1acc3f764804d25f70d88f937ef9c460143e0f1.tar.bz2 | |
Reverse a loop that is counting up to a maximum to
count down to 0 instead, under very restricted
circumstances. Adjust 4 testcases in which this
optimization fires.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71439 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/pr3495.ll')
| -rw-r--r-- | test/CodeGen/X86/pr3495.ll | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/test/CodeGen/X86/pr3495.ll b/test/CodeGen/X86/pr3495.ll index 726ad74..62382c6 100644 --- a/test/CodeGen/X86/pr3495.ll +++ b/test/CodeGen/X86/pr3495.ll @@ -1,7 +1,8 @@ ; RUN: llvm-as < %s | llc -march=x86 -stats |& grep {Number of reloads omited} | grep 2 ; RUN: llvm-as < %s | llc -march=x86 -stats |& not grep {Number of available reloads turned into copies} -; RUN: llvm-as < %s | llc -march=x86 -stats |& grep {Number of machine instrs printed} | grep 39 +; RUN: llvm-as < %s | llc -march=x86 -stats |& grep {Number of machine instrs printed} | grep 38 ; PR3495 +; The loop reversal kicks in once here, resulting in one fewer instruction. target triple = "i386-pc-linux-gnu" @x = external global [8 x i32], align 32 ; <[8 x i32]*> [#uses=1] |