1 ; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s 2 ; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s 3 4 @.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 5 6 ; PtrToInt/IntToPtr Cast 7 8 define void @IntToPtr() nounwind uwtable safestack { 9 entry: 10 ; CHECK-LABEL: @IntToPtr( 11 ; CHECK-NOT: __safestack_unsafe_stack_ptr 12 ; CHECK: ret void 13 %a = alloca i32, align 4 14 %0 = ptrtoint i32* %a to i64 15 %1 = inttoptr i64 %0 to i32* 16 ret void 17 } 18 19 define i8 @BitCastNarrow() nounwind uwtable safestack { 20 entry: 21 ; CHECK-LABEL: @BitCastNarrow( 22 ; CHECK-NOT: __safestack_unsafe_stack_ptr 23 ; CHECK: ret i8 24 %a = alloca i32, align 4 25 %0 = bitcast i32* %a to i8* 26 %1 = load i8, i8* %0, align 1 27 ret i8 %1 28 } 29 30 define i64 @BitCastWide() nounwind uwtable safestack { 31 entry: 32 ; CHECK-LABEL: @BitCastWide( 33 ; CHECK: __safestack_unsafe_stack_ptr 34 ; CHECK: ret i64 35 %a = alloca i32, align 4 36 %0 = bitcast i32* %a to i64* 37 %1 = load i64, i64* %0, align 1 38 ret i64 %1 39 } 40
