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b3e87b2262
whose true value was not Val#0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98336 91177308-0d34-0410-b5e6-96231b3b80d8
50 lines
1.8 KiB
LLVM
50 lines
1.8 KiB
LLVM
; RUN: llc -march=x86 %s -o -
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; RUN: llc -march=x86-64 %s -o -
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; PR6497
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; Chain and flag folding issues.
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define i32 @test1() nounwind ssp {
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entry:
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%tmp5.i = volatile load i32* undef ; <i32> [#uses=1]
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%conv.i = zext i32 %tmp5.i to i64 ; <i64> [#uses=1]
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%tmp12.i = volatile load i32* undef ; <i32> [#uses=1]
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%conv13.i = zext i32 %tmp12.i to i64 ; <i64> [#uses=1]
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%shl.i = shl i64 %conv13.i, 32 ; <i64> [#uses=1]
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%or.i = or i64 %shl.i, %conv.i ; <i64> [#uses=1]
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%add16.i = add i64 %or.i, 256 ; <i64> [#uses=1]
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%shr.i = lshr i64 %add16.i, 8 ; <i64> [#uses=1]
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%conv19.i = trunc i64 %shr.i to i32 ; <i32> [#uses=1]
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volatile store i32 %conv19.i, i32* undef
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ret i32 undef
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}
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; PR6533
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define void @test2(i1 %x, i32 %y) nounwind {
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%land.ext = zext i1 %x to i32 ; <i32> [#uses=1]
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%and = and i32 %y, 1 ; <i32> [#uses=1]
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%xor = xor i32 %and, %land.ext ; <i32> [#uses=1]
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%cmp = icmp eq i32 %xor, 1 ; <i1> [#uses=1]
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br i1 %cmp, label %if.end, label %if.then
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if.then: ; preds = %land.end
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ret void
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if.end: ; preds = %land.end
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ret void
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}
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; PR6577
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%pair = type { i64, double }
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define void @on4() {
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dependentGraph243.exit:
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%subject19 = load %pair* undef ; <%1> [#uses=1]
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%0 = extractvalue %pair %subject19, 1 ; <double> [#uses=2]
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%1 = select i1 undef, double %0, double undef ; <double> [#uses=1]
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%2 = select i1 undef, double %1, double %0 ; <double> [#uses=1]
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%3 = insertvalue %pair undef, double %2, 1 ; <%1> [#uses=1]
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store %pair %3, %pair* undef
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ret void
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}
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