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1; RUN: opt -safe-stack -S -mtriple=x86_64-unknown < %s -o - | FileCheck %s2; RUN: opt -passes=safe-stack -S -mtriple=x86_64-unknown < %s -o - | FileCheck %s3 4define void @foo() safestack sspreq {5entry:6; CHECK: %[[USP:.*]] = load ptr, ptr @__safestack_unsafe_stack_ptr7; CHECK: %[[USST:.*]] = getelementptr i8, ptr %[[USP]], i32 -168; CHECK: store ptr %[[USST]], ptr @__safestack_unsafe_stack_ptr9 10; CHECK: %[[A:.*]] = getelementptr i8, ptr %[[USP]], i32 -811; CHECK: %[[StackGuard:.*]] = call ptr @llvm.stackguard()12; CHECK: store ptr %[[StackGuard]], ptr %[[A]]13 %a = alloca i8, align 114 15; CHECK: call void @Capture16 call void @Capture(ptr %a)17 18; CHECK: %[[B:.*]] = load ptr, ptr %[[A]]19; CHECK: %[[COND:.*]] = icmp ne ptr %[[StackGuard]], %[[B]]20; CHECK: br i1 %[[COND]], {{.*}} !prof21 22; CHECK: call void @__stack_chk_fail()23; CHECK-NEXT: unreachable24 25; CHECK: store ptr %[[USP]], ptr @__safestack_unsafe_stack_ptr26; CHECK-NEXT: ret void27 ret void28}29 30declare void @Capture(ptr)31