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Diffstat (limited to 'test/CodeGen/X86/2008-12-02-dagcombine-3.ll')
| -rw-r--r-- | test/CodeGen/X86/2008-12-02-dagcombine-3.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2008-12-02-dagcombine-3.ll b/test/CodeGen/X86/2008-12-02-dagcombine-3.ll new file mode 100644 index 0000000..d5a676a --- /dev/null +++ b/test/CodeGen/X86/2008-12-02-dagcombine-3.ll @@ -0,0 +1,18 @@ +; RUN: llc < %s -march=x86 | grep add | count 2 +; RUN: llc < %s -march=x86 | grep sub | grep -v subsections | count 1 +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" +; this should be rearranged to have two +s and one - +define i32 @test(i8* %a, i8* %L, i8* %P) nounwind { +entry: + %0 = ptrtoint i8* %P to i32 + %1 = sub i32 -2, %0 + %2 = ptrtoint i8* %L to i32 + %3 = ptrtoint i8* %a to i32 + %4 = sub i32 %2, %3 ; <i32> [#uses=1] + %5 = add i32 %1, %4 ; <i32> [#uses=1] + br label %return + +return: ; preds = %bb3 + ret i32 %5 +} |