Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions

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; RUN: opt < %s -S -simple-loop-unswitch -verify-loop-info -verify-dom-info | FileCheck %s
; PR12343: -simple-loop-unswitch crash on indirect branch
; CHECK: %0 = icmp eq i64 undef, 0
; CHECK-NEXT: br i1 %0, label %"5", label %"4"
; CHECK: "5": ; preds = %entry
; CHECK-NEXT: br label %"16"
; CHECK: "16": ; preds = %"22", %"5"
; CHECK-NEXT: indirectbr i8* undef, [label %"22", label %"33"]
; CHECK: "22": ; preds = %"16"
; CHECK-NEXT: br i1 %0, label %"16", label %"26"
; CHECK: "26": ; preds = %"22"
; CHECK-NEXT: unreachable
define void @foo() {
entry:
%0 = icmp eq i64 undef, 0
br i1 %0, label %"5", label %"4"
"4": ; preds = %entry
unreachable
"5": ; preds = %entry
br label %"16"
"16": ; preds = %"22", %"5"
indirectbr i8* undef, [label %"22", label %"33"]
"22": ; preds = %"16"
br i1 %0, label %"16", label %"26"
"26": ; preds = %"22"
unreachable
"33": ; preds = %"16"
unreachable
}