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Add a test for PR1499.

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llvm-svn: 37473
This commit is contained in:
Lauro Ramos Venancio 2007-06-06 17:10:02 +00:00
parent 27fa43f343
commit fa558c0028
1 changed files with 22 additions and 0 deletions
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test/Transforms/InstCombine/2007-06-06-AshrSignBit.ll Normal file
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {ashr}
; PR1499
define void @av_cmp_q_cond_true(i32* %retval, i32* %tmp9, i64* %tmp10) {
newFuncRoot:
br label %cond_true
return.exitStub: ; preds = %cond_true
ret void
cond_true: ; preds = %newFuncRoot
%tmp30 = load i64* %tmp10 ; <i64> [#uses=1]
%.cast = zext i32 63 to i64 ; <i64> [#uses=1]
%tmp31 = ashr i64 %tmp30, %.cast ; <i64> [#uses=1]
%tmp3132 = trunc i64 %tmp31 to i32 ; <i32> [#uses=1]
%tmp33 = or i32 %tmp3132, 1 ; <i32> [#uses=1]
store i32 %tmp33, i32* %tmp9
%tmp34 = load i32* %tmp9 ; <i32> [#uses=1]
store i32 %tmp34, i32* %retval
br label %return.exitStub
}