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Testcase for r164835

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llvm-svn: 164842
This commit is contained in:
Manman Ren 2012-09-28 20:26:33 +00:00
parent ca62e0c897
commit d4cf759f2e
1 changed files with 28 additions and 0 deletions
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28
test/CodeGen/X86/jump_sign.ll
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@ -278,3 +278,31 @@ entry:
%cond = select i1 %cmp, i32 %add, i32 0
ret i32 %cond
}
; PR13966
@b = common global i32 0, align 4
@a = common global i32 0, align 4
define i32 @test1(i32 %p1) nounwind uwtable {
entry:
; CHECK: test1:
; CHECK: testb
; CHECK: j
; CHECK: ret
%0 = load i32* @b, align 4
%cmp = icmp ult i32 %0, %p1
%conv = zext i1 %cmp to i32
%1 = load i32* @a, align 4
%and = and i32 %conv, %1
%conv1 = trunc i32 %and to i8
%2 = urem i8 %conv1, 3
%tobool = icmp eq i8 %2, 0
br i1 %tobool, label %if.end, label %if.then
if.then:
%dec = add nsw i32 %1, -1
store i32 %dec, i32* @a, align 4
br label %if.end
if.end:
ret i32 undef
}