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Imported Upstream version 6.10.0.49

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Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
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Xamarin Public Jenkins (auto-signing)
2020-01-16 16:38:04 +00:00
parent d94e79959b
commit 468663ddbb
48518 changed files with 2789335 additions and 61176 deletions
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39
external/llvm-project/llvm/test/Transforms/SafeStack/X86/cast.ll vendored Normal file
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@ -0,0 +1,39 @@
; 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
@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
; PtrToInt/IntToPtr Cast
define void @IntToPtr() nounwind uwtable safestack {
entry:
; CHECK-LABEL: @IntToPtr(
; CHECK-NOT: __safestack_unsafe_stack_ptr
; CHECK: ret void
%a = alloca i32, align 4
%0 = ptrtoint i32* %a to i64
%1 = inttoptr i64 %0 to i32*
ret void
}
define i8 @BitCastNarrow() nounwind uwtable safestack {
entry:
; CHECK-LABEL: @BitCastNarrow(
; CHECK-NOT: __safestack_unsafe_stack_ptr
; CHECK: ret i8
%a = alloca i32, align 4
%0 = bitcast i32* %a to i8*
%1 = load i8, i8* %0, align 1
ret i8 %1
}
define i64 @BitCastWide() nounwind uwtable safestack {
entry:
; CHECK-LABEL: @BitCastWide(
; CHECK: __safestack_unsafe_stack_ptr
; CHECK: ret i64
%a = alloca i32, align 4
%0 = bitcast i32* %a to i64*
%1 = load i64, i64* %0, align 1
ret i64 %1
}