Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
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Xamarin Public Jenkins (auto-signing)
2019-04-12 14:10:50 +00:00
parent 8016999e4d
commit 64ac736ec5
32155 changed files with 3981439 additions and 75368 deletions

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; RUN: llvm-as %s -o /dev/null
; RUN: verify-uselistorder %s
; Dominance relationships is not calculated correctly for unreachable blocks,
; which causes the verifier to barf on this input.
define i32 @test(i1 %b) {
BB0:
ret i32 7 ; Loop is unreachable
Loop: ; preds = %L2, %Loop
%B = phi i32 [ %B, %L2 ], [ %B, %Loop ] ;PHI has same value always.
br i1 %b, label %L2, label %Loop
L2: ; preds = %Loop
br label %Loop
}