1; Test codegen pipeline for SafeStack + StackProtector combination. 2; RUN: llc -mtriple=i386-linux < %s -o - | FileCheck --check-prefix=LINUX-I386 %s 3; RUN: llc -mtriple=x86_64-linux < %s -o - | FileCheck --check-prefix=LINUX-X64 %s 4; RUN: llc -mtriple=x86_64-fuchsia < %s -o - | FileCheck --check-prefix=FUCHSIA-X64 %s 5 6define void @_Z1fv() safestack sspreq { 7entry: 8 %x = alloca i32, align 4 9 call void @_Z7CapturePi(ptr nonnull %x) 10 ret void 11} 12 13declare void @_Z7CapturePi(ptr) 14 15; LINUX-X64-DAG: movq __safestack_unsafe_stack_ptr@GOTTPOFF(%rip), %[[A:.*]] 16; LINUX-X64-DAG: movq %fs:(%[[A]]), %[[B:.*]] 17; LINUX-X64-DAG: movq %fs:40, %[[COOKIE:.*]] 18; LINUX-X64-DAG: leaq -16(%[[B]]), %[[C:.*]] 19; LINUX-X64-DAG: movq %[[C]], %fs:(%[[A]]) 20; LINUX-X64-DAG: movq %[[COOKIE]], -8(%[[B]]) 21 22; LINUX-I386-DAG: movl __safestack_unsafe_stack_ptr@INDNTPOFF, %[[A:.*]] 23; LINUX-I386-DAG: movl %gs:(%[[A]]), %[[B:.*]] 24; LINUX-I386-DAG: movl %gs:20, %[[COOKIE:.*]] 25; LINUX-I386-DAG: leal -16(%[[B]]), %[[C:.*]] 26; LINUX-I386-DAG: movl %[[C]], %gs:(%[[A]]) 27; LINUX-I386-DAG: movl %[[COOKIE]], -4(%[[B]]) 28 29; FUCHSIA-X64-DAG: movq %fs:24, %[[B:.*]] 30; FUCHSIA-X64-DAG: movq %fs:16, %[[COOKIE:.*]] 31; FUCHSIA-X64-DAG: leaq -16(%[[B]]), %[[C:.*]] 32; FUCHSIA-X64-DAG: movq %[[C]], %fs:24 33; FUCHSIA-X64-DAG: movq %[[COOKIE]], -8(%[[B]]) 34