1*cee313d2SEric Christopher; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s 2*cee313d2SEric Christopher; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s 3*cee313d2SEric Christopher 4*cee313d2SEric Christopher%struct.foo = type { [16 x i8] } 5*cee313d2SEric Christopher 6*cee313d2SEric Christopher@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 7*cee313d2SEric Christopher 8*cee313d2SEric Christopher; struct { [16 x i8] } 9*cee313d2SEric Christopher 10*cee313d2SEric Christopherdefine void @foo(i8* %a) nounwind uwtable safestack { 11*cee313d2SEric Christopherentry: 12*cee313d2SEric Christopher ; CHECK: %[[USP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr 13*cee313d2SEric Christopher 14*cee313d2SEric Christopher ; CHECK: %[[USST:.*]] = getelementptr i8, i8* %[[USP]], i32 -16 15*cee313d2SEric Christopher 16*cee313d2SEric Christopher ; CHECK: store i8* %[[USST]], i8** @__safestack_unsafe_stack_ptr 17*cee313d2SEric Christopher 18*cee313d2SEric Christopher %a.addr = alloca i8*, align 8 19*cee313d2SEric Christopher %buf = alloca %struct.foo, align 1 20*cee313d2SEric Christopher 21*cee313d2SEric Christopher ; CHECK: %[[AADDR:.*]] = alloca i8*, align 8 22*cee313d2SEric Christopher ; CHECK: store i8* {{.*}}, i8** %[[AADDR]], align 8 23*cee313d2SEric Christopher store i8* %a, i8** %a.addr, align 8 24*cee313d2SEric Christopher 25*cee313d2SEric Christopher ; CHECK: %[[BUFPTR:.*]] = getelementptr i8, i8* %[[USP]], i32 -16 26*cee313d2SEric Christopher ; CHECK: %[[BUFPTR2:.*]] = bitcast i8* %[[BUFPTR]] to %struct.foo* 27*cee313d2SEric Christopher ; CHECK: %[[GEP:.*]] = getelementptr inbounds %struct.foo, %struct.foo* %[[BUFPTR2]], i32 0, i32 0, i32 0 28*cee313d2SEric Christopher %gep = getelementptr inbounds %struct.foo, %struct.foo* %buf, i32 0, i32 0, i32 0 29*cee313d2SEric Christopher 30*cee313d2SEric Christopher ; CHECK: %[[A:.*]] = load i8*, i8** %[[AADDR]], align 8 31*cee313d2SEric Christopher %a2 = load i8*, i8** %a.addr, align 8 32*cee313d2SEric Christopher 33*cee313d2SEric Christopher ; CHECK: call i8* @strcpy(i8* %[[GEP]], i8* %[[A]]) 34*cee313d2SEric Christopher %call = call i8* @strcpy(i8* %gep, i8* %a2) 35*cee313d2SEric Christopher 36*cee313d2SEric Christopher ; CHECK: store i8* %[[USP]], i8** @__safestack_unsafe_stack_ptr 37*cee313d2SEric Christopher ret void 38*cee313d2SEric Christopher} 39*cee313d2SEric Christopher 40*cee313d2SEric Christopherdeclare i8* @strcpy(i8*, i8*) 41