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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
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Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions
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37
external/llvm/test/Transforms/CodeGenPrepare/split-indirect-loop.ll vendored Normal file
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; RUN: opt -codegenprepare -S < %s | FileCheck %s
; Test that an invalid CFG is not created by splitIndirectCriticalEdges
; transformation when the 'target' block is a loop to itself.
; CHECK: .split:
; CHECK: br label %while.body.clone
; CHECK: if.else1:
; CHECK: indirectbr
; CHECK: while.body.clone:
; CHECK: br label %.split
define void @test() {
entry:
br label %if.else
if.else:
br i1 undef, label %while.body, label %preheader
preheader:
br label %if.else1
if.then:
unreachable
while.body:
%dest.sroa = phi i32 [ %1, %while.body ], [ undef, %if.else1 ], [ undef, %if.else ]
%0 = inttoptr i32 %dest.sroa to i8*
%incdec.ptr = getelementptr inbounds i8, i8* %0, i32 -1
%1 = ptrtoint i8* %incdec.ptr to i32
store i8 undef, i8* %incdec.ptr, align 1
br label %while.body
if.else1:
indirectbr i8* undef, [label %if.then, label %while.body, label %if.else, label %if.else1]
}