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Imported Upstream version 5.18.0.179

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Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215
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Xamarin Public Jenkins (auto-signing)
2018-10-25 08:34:57 +00:00
parent d6bde52373
commit 8625704ad8
28485 changed files with 3866843 additions and 50 deletions
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35
external/llvm/test/Transforms/SafeStack/X86/phi.ll vendored Normal file
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; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
define void @f(i1 %d1, i1 %d2) safestack {
entry:
; CHECK-LABEL: define void @f(
; CHECK: %[[USP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr
; CHECK-NEXT: getelementptr i8, i8* %[[USP]], i32 -16
; CHECK: br i1 %d1, label %[[BB0:.*]], label %[[BB1:.*]]
%a = alloca i32, align 8
%b = alloca i32, align 8
br i1 %d1, label %bb0, label %bb1
bb0:
; CHECK: [[BB0]]:
; CHECK: %[[Ai8:.*]] = getelementptr i8, i8* %unsafe_stack_ptr, i32
; CHECK: %[[AUNSAFE:.*]] = bitcast i8* %[[Ai8]] to i32*
; CHECK: br i1
br i1 %d2, label %bb2, label %bb2
bb1:
; CHECK: [[BB1]]:
; CHECK: %[[Bi8:.*]] = getelementptr i8, i8* %unsafe_stack_ptr, i32
; CHECK: %[[BUNSAFE:.*]] = bitcast i8* %[[Bi8]] to i32*
; CHECK: br label
br label %bb2
bb2:
; CHECK: phi i32* [ %[[AUNSAFE]], %[[BB0]] ], [ %[[AUNSAFE]], %[[BB0]] ], [ %[[BUNSAFE]], %[[BB1]] ]
%c = phi i32* [ %a, %bb0 ], [ %a, %bb0 ], [ %b, %bb1 ]
call void @capture(i32* %c)
ret void
}
declare void @capture(i32*)