40 lines
1.0 KiB
LLVM
40 lines
1.0 KiB
LLVM
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; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
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; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
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@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
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; PtrToInt/IntToPtr Cast
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define void @IntToPtr() nounwind uwtable safestack {
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entry:
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; CHECK-LABEL: @IntToPtr(
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; CHECK-NOT: __safestack_unsafe_stack_ptr
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; CHECK: ret void
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%a = alloca i32, align 4
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%0 = ptrtoint i32* %a to i64
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%1 = inttoptr i64 %0 to i32*
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ret void
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}
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define i8 @BitCastNarrow() nounwind uwtable safestack {
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entry:
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; CHECK-LABEL: @BitCastNarrow(
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; CHECK-NOT: __safestack_unsafe_stack_ptr
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; CHECK: ret i8
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%a = alloca i32, align 4
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%0 = bitcast i32* %a to i8*
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%1 = load i8, i8* %0, align 1
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ret i8 %1
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}
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define i64 @BitCastWide() nounwind uwtable safestack {
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entry:
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; CHECK-LABEL: @BitCastWide(
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; CHECK: __safestack_unsafe_stack_ptr
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; CHECK: ret i64
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%a = alloca i32, align 4
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%0 = bitcast i32* %a to i64*
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%1 = load i64, i64* %0, align 1
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ret i64 %1
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}
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