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Diffstat (limited to 'test/CodeGen/X86/2007-02-04-OrAddrMode.ll')
| -rw-r--r-- | test/CodeGen/X86/2007-02-04-OrAddrMode.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2007-02-04-OrAddrMode.ll b/test/CodeGen/X86/2007-02-04-OrAddrMode.ll new file mode 100644 index 0000000000..b6311d11e8 --- /dev/null +++ b/test/CodeGen/X86/2007-02-04-OrAddrMode.ll @@ -0,0 +1,21 @@ +; RUN: llvm-as < %s | llc -march=x86 | grep 'orl $1, %eax' && +; RUN: llvm-as < %s | llc -march=x86 | grep 'leal 3(,%eax,8)' + +;; This example can't fold the or into an LEA. +define i32 @test(float ** %tmp2, i32 %tmp12) { + %tmp3 = load float** %tmp2 + %tmp132 = shl i32 %tmp12, 2 ; <i32> [#uses=1] + %tmp3 = bitcast float* %tmp3 to i8* ; <i8*> [#uses=1] + %ctg2 = getelementptr i8* %tmp3, i32 %tmp132 ; <i8*> [#uses=1] + %tmp6 = ptrtoint i8* %ctg2 to i32 ; <i32> [#uses=1] + %tmp14 = or i32 %tmp6, 1 ; <i32> [#uses=1] + ret i32 %tmp14 +} + + +;; This can! +define i32 @test2(i32 %a, i32 %b) { + %c = shl i32 %a, 3 + %d = or i32 %c, 3 + ret i32 %d +} |