forked from OSchip/llvm-project
40 lines
1.0 KiB
LLVM
40 lines
1.0 KiB
LLVM
; 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
|
|
}
|