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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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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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39
external/llvm/test/Transforms/SafeStack/X86/layout-frag.ll vendored
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@ -1,39 +0,0 @@
; Test that safestack layout reuses a region w/o fragmentation.
; RUN: opt -safe-stack -safe-stack-coloring=1 -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
define void @f() safestack {
; CHECK-LABEL: define void @f
entry:
; CHECK: %[[USP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr
; CHECK: getelementptr i8, i8* %[[USP]], i32 -16
%x0 = alloca i64, align 8
%x1 = alloca i8, align 1
%x2 = alloca i64, align 8
%x0a = bitcast i64* %x0 to i8*
%x2a = bitcast i64* %x2 to i8*
call void @llvm.lifetime.start.p0i8(i64 4, i8* %x0a)
call void @capture64(i64* %x0)
call void @llvm.lifetime.end.p0i8(i64 4, i8* %x0a)
call void @llvm.lifetime.start.p0i8(i64 4, i8* %x1)
call void @llvm.lifetime.start.p0i8(i64 4, i8* %x2a)
call void @capture8(i8* %x1)
call void @capture64(i64* %x2)
call void @llvm.lifetime.end.p0i8(i64 4, i8* %x1)
call void @llvm.lifetime.end.p0i8(i64 4, i8* %x2a)
; Test that i64 allocas share space.
; CHECK: getelementptr i8, i8* %unsafe_stack_ptr, i32 -8
; CHECK: getelementptr i8, i8* %unsafe_stack_ptr, i32 -9
; CHECK: getelementptr i8, i8* %unsafe_stack_ptr, i32 -8
ret void
}
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
declare void @capture8(i8*)
declare void @capture64(i64*)