1*9880d681SAndroid Build Coastguard Worker; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker; PtrToInt/IntToPtr Cast 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdefine void @IntToPtr() nounwind uwtable safestack { 9*9880d681SAndroid Build Coastguard Workerentry: 10*9880d681SAndroid Build Coastguard Worker ; CHECK-LABEL: @IntToPtr( 11*9880d681SAndroid Build Coastguard Worker ; CHECK-NOT: __safestack_unsafe_stack_ptr 12*9880d681SAndroid Build Coastguard Worker ; CHECK: ret void 13*9880d681SAndroid Build Coastguard Worker %a = alloca i32, align 4 14*9880d681SAndroid Build Coastguard Worker %0 = ptrtoint i32* %a to i64 15*9880d681SAndroid Build Coastguard Worker %1 = inttoptr i64 %0 to i32* 16*9880d681SAndroid Build Coastguard Worker ret void 17*9880d681SAndroid Build Coastguard Worker} 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Workerdefine i8 @BitCastNarrow() nounwind uwtable safestack { 20*9880d681SAndroid Build Coastguard Workerentry: 21*9880d681SAndroid Build Coastguard Worker ; CHECK-LABEL: @BitCastNarrow( 22*9880d681SAndroid Build Coastguard Worker ; CHECK-NOT: __safestack_unsafe_stack_ptr 23*9880d681SAndroid Build Coastguard Worker ; CHECK: ret i8 24*9880d681SAndroid Build Coastguard Worker %a = alloca i32, align 4 25*9880d681SAndroid Build Coastguard Worker %0 = bitcast i32* %a to i8* 26*9880d681SAndroid Build Coastguard Worker %1 = load i8, i8* %0, align 1 27*9880d681SAndroid Build Coastguard Worker ret i8 %1 28*9880d681SAndroid Build Coastguard Worker} 29*9880d681SAndroid Build Coastguard Worker 30*9880d681SAndroid Build Coastguard Workerdefine i64 @BitCastWide() nounwind uwtable safestack { 31*9880d681SAndroid Build Coastguard Workerentry: 32*9880d681SAndroid Build Coastguard Worker ; CHECK-LABEL: @BitCastWide( 33*9880d681SAndroid Build Coastguard Worker ; CHECK: __safestack_unsafe_stack_ptr 34*9880d681SAndroid Build Coastguard Worker ; CHECK: ret i64 35*9880d681SAndroid Build Coastguard Worker %a = alloca i32, align 4 36*9880d681SAndroid Build Coastguard Worker %0 = bitcast i32* %a to i64* 37*9880d681SAndroid Build Coastguard Worker %1 = load i64, i64* %0, align 1 38*9880d681SAndroid Build Coastguard Worker ret i64 %1 39*9880d681SAndroid Build Coastguard Worker} 40