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author | Dale Johannesen <dalej@apple.com> | 2008-12-23 23:01:27 +0000 |
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committer | Dale Johannesen <dalej@apple.com> | 2008-12-23 23:01:27 +0000 |
commit | f9cbc1f9ac087937641c16b218d10986f5b406ad (patch) | |
tree | 10dc90e88dd1824ae49c40a865d8a177b6e1ea37 /test/CodeGen/X86/2008-12-23-dagcombine-6.ll | |
parent | c7a37d4ff2ee8ffb93ba97e9393ff582f0e79a9a (diff) | |
download | external_llvm-f9cbc1f9ac087937641c16b218d10986f5b406ad.zip external_llvm-f9cbc1f9ac087937641c16b218d10986f5b406ad.tar.gz external_llvm-f9cbc1f9ac087937641c16b218d10986f5b406ad.tar.bz2 |
Add another permutation where we should get rid of a-a.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61401 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/2008-12-23-dagcombine-6.ll')
-rw-r--r-- | test/CodeGen/X86/2008-12-23-dagcombine-6.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2008-12-23-dagcombine-6.ll b/test/CodeGen/X86/2008-12-23-dagcombine-6.ll new file mode 100644 index 0000000..13cb9db --- /dev/null +++ b/test/CodeGen/X86/2008-12-23-dagcombine-6.ll @@ -0,0 +1,24 @@ +; RUN: llvm-as < %s | llc -march=x86 | grep "(%esp)" | count 4 +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" +target triple = "i386-apple-darwin9.5" +; a - a should be found and removed, leaving refs to only L and P +define i32 @test(i32 %a, i32 %L, i32 %P) nounwind { +entry: + %0 = add i32 %a, %L + %1 = add i32 %P, %0 + %2 = sub i32 %1, %a + br label %return + +return: ; preds = %bb3 + ret i32 %2 +} +define i32 @test2(i32 %a, i32 %L, i32 %P) nounwind { +entry: + %0 = add i32 %L, %a + %1 = add i32 %P, %0 + %2 = sub i32 %1, %a + br label %return + +return: ; preds = %bb3 + ret i32 %2 +} |