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973d44eb7c
Patch developed by Andy Kaylor and Daniel Malea. Reviewed on llvm-commits. llvm-svn: 148231
35 lines
664 B
LLVM
35 lines
664 B
LLVM
; RUN: %lli %s > /dev/null
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; test phi node
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@Y = global i32 6 ; <i32*> [#uses=1]
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define void @blah(i32* %X) {
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; <label>:0
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br label %T
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T: ; preds = %Dead, %0
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phi i32* [ %X, %0 ], [ @Y, %Dead ] ; <i32*>:1 [#uses=0]
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ret void
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Dead: ; No predecessors!
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br label %T
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}
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define i32 @test(i1 %C) {
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; <label>:0
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br i1 %C, label %T, label %T
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T: ; preds = %0, %0
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%X = phi i32 [ 123, %0 ], [ 123, %0 ] ; <i32> [#uses=1]
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ret i32 %X
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}
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define i32 @main() {
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; <label>:0
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br label %Test
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Test: ; preds = %Dead, %0
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%X = phi i32 [ 0, %0 ], [ %Y, %Dead ] ; <i32> [#uses=1]
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ret i32 %X
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Dead: ; No predecessors!
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%Y = ashr i32 12, 4 ; <i32> [#uses=1]
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br label %Test
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}
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