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1; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s2; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s3; RUN: opt -passes=safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s4; RUN: opt -passes=safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s5 6%struct.foo = type { [16 x i8] }7 8@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 19 10; struct { [16 x i8] }11 12define void @foo(ptr %a) nounwind uwtable safestack {13entry:14 ; CHECK: %[[USP:.*]] = load ptr, ptr @__safestack_unsafe_stack_ptr15 16 ; CHECK: %[[USST:.*]] = getelementptr i8, ptr %[[USP]], i32 -1617 18 ; CHECK: store ptr %[[USST]], ptr @__safestack_unsafe_stack_ptr19 20 %a.addr = alloca ptr, align 821 %buf = alloca %struct.foo, align 122 23 ; CHECK: %[[AADDR:.*]] = alloca ptr, align 824 ; CHECK: store ptr {{.*}}, ptr %[[AADDR]], align 825 store ptr %a, ptr %a.addr, align 826 27 ; CHECK: %[[A:.*]] = load ptr, ptr %[[AADDR]], align 828 ; CHECK: %[[BUFPTR:.*]] = getelementptr i8, ptr %[[USP]], i32 -1629 %a2 = load ptr, ptr %a.addr, align 830 31 ; CHECK: call ptr @strcpy(ptr %[[BUFPTR]], ptr %[[A]])32 %call = call ptr @strcpy(ptr %buf, ptr %a2)33 34 ; CHECK: store ptr %[[USP]], ptr @__safestack_unsafe_stack_ptr35 ret void36}37 38declare ptr @strcpy(ptr, ptr)39