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Add a test for PR4413, which was apparently fixed at some point in the past.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112987 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -402,3 +402,24 @@ if.else: ; preds = %entry
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store i32 %tmp5, i32* %res
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br label %if.end
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}
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; PR4413
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declare i32 @ext()
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; CHECK: @test17
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define i32 @test17(i1 %a) {
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entry:
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br i1 %a, label %bb1, label %bb2
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bb1: ; preds = %entry
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%0 = tail call i32 @ext() ; <i32> [#uses=1]
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br label %bb2
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bb2: ; preds = %bb1, %entry
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%cond = phi i1 [ true, %bb1 ], [ false, %entry ] ; <i1> [#uses=1]
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; CHECK-NOT: %val = phi i32 [ %0, %bb1 ], [ 0, %entry ]
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%val = phi i32 [ %0, %bb1 ], [ 0, %entry ] ; <i32> [#uses=1]
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%res = select i1 %cond, i32 %val, i32 0 ; <i32> [#uses=1]
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; CHECK: ret i32 %cond
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ret i32 %res
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}
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