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EXTRACT_SUBREG test case.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42900 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2007-10-12 09:03:31 +00:00
parent 32dfbeada7
commit dce05bc5ed
1 changed files with 35 additions and 0 deletions
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test/CodeGen/X86/2007-10-12-CoalesceExtSubReg.ll Normal file
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; 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
}