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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@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 17 8; array of [16 x i8]9 10define void @foo(ptr %a) nounwind uwtable safestack {11entry:12 ; CHECK: %[[USP:.*]] = load ptr, ptr @__safestack_unsafe_stack_ptr13 14 ; CHECK: %[[USST:.*]] = getelementptr i8, ptr %[[USP]], i32 -1615 16 ; CHECK: store ptr %[[USST]], ptr @__safestack_unsafe_stack_ptr17 18 %a.addr = alloca ptr, align 819 %buf = alloca [16 x i8], align 1620 21 ; CHECK: %[[AADDR:.*]] = alloca ptr, align 822 ; CHECK: store ptr {{.*}}, ptr %[[AADDR]], align 823 store ptr %a, ptr %a.addr, align 824 25 ; CHECK: %[[A2:.*]] = load ptr, ptr %[[AADDR]], align 826 ; CHECK: %[[BUFPTR:.*]] = getelementptr i8, ptr %[[USP]], i32 -1627 %a2 = load ptr, ptr %a.addr, align 828 29 ; CHECK: call ptr @strcpy(ptr %[[BUFPTR]], ptr %[[A2]])30 %call = call ptr @strcpy(ptr %buf, ptr %a2)31 32 ; CHECK: store ptr %[[USP]], ptr @__safestack_unsafe_stack_ptr33 ret void34}35 36declare ptr @strcpy(ptr, ptr)37