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Diffstat (limited to 'test/CodeGen/X86/2007-10-12-CoalesceExtSubReg.ll')
| -rw-r--r-- | test/CodeGen/X86/2007-10-12-CoalesceExtSubReg.ll | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2007-10-12-CoalesceExtSubReg.ll b/test/CodeGen/X86/2007-10-12-CoalesceExtSubReg.ll new file mode 100644 index 0000000..99b863e --- /dev/null +++ b/test/CodeGen/X86/2007-10-12-CoalesceExtSubReg.ll @@ -0,0 +1,35 @@ +; RUN: llvm-as < %s | llc -march=x86 | not movb + +define i16 @f(i32* %bp, i32* %ss) signext { +entry: + br label %cond_next127 + +cond_next127: ; preds = %cond_next391, %entry + %v.1 = phi i32 [ undef, %entry ], [ %tmp411, %cond_next391 ] ; <i32> [#uses=1] + %tmp149 = mul i32 0, %v.1 ; <i32> [#uses=0] + %tmp254 = and i32 0, 15 ; <i32> [#uses=1] + %tmp256 = and i32 0, 15 ; <i32> [#uses=2] + br i1 false, label %cond_true267, label %cond_next391 + +cond_true267: ; preds = %cond_next127 + ret i16 0 + +cond_next391: ; preds = %cond_next127 + %tmp393 = load i32* %ss, align 4 ; <i32> [#uses=1] + %tmp395 = load i32* %bp, align 4 ; <i32> [#uses=2] + %tmp396 = shl i32 %tmp393, %tmp395 ; <i32> [#uses=2] + %tmp398 = sub i32 32, %tmp256 ; <i32> [#uses=2] + %tmp399 = lshr i32 %tmp396, %tmp398 ; <i32> [#uses=1] + %tmp405 = lshr i32 %tmp396, 31 ; <i32> [#uses=1] + %tmp406 = add i32 %tmp405, -1 ; <i32> [#uses=1] + %tmp409 = lshr i32 %tmp406, %tmp398 ; <i32> [#uses=1] + %tmp411 = sub i32 %tmp399, %tmp409 ; <i32> [#uses=1] + %tmp422445 = add i32 %tmp254, 0 ; <i32> [#uses=1] + %tmp426447 = add i32 %tmp395, %tmp256 ; <i32> [#uses=1] + store i32 %tmp426447, i32* %bp, align 4 + %tmp429448 = icmp ult i32 %tmp422445, 63 ; <i1> [#uses=1] + br i1 %tmp429448, label %cond_next127, label %UnifiedReturnBlock + +UnifiedReturnBlock: ; preds = %cond_next391 + ret i16 0 +} |