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 6 define void @_Z1fv() safestack sspreq { 7 entry: 8 %x = alloca i32, align 4 9 %0 = bitcast i32* %x to i8* 10 call void @_Z7CapturePi(i32* nonnull %x) 11 ret void 12 } 13 14 declare void @_Z7CapturePi(i32*) 15 16 ; LINUX-X64-DAG: movq __safestack_unsafe_stack_ptr@GOTTPOFF(%rip), %[[A:.*]] 17 ; LINUX-X64-DAG: movq %fs:(%[[A]]), %[[B:.*]] 18 ; LINUX-X64-DAG: movq %fs:40, %[[COOKIE:.*]] 19 ; LINUX-X64-DAG: leaq -16(%[[B]]), %[[C:.*]] 20 ; LINUX-X64-DAG: movq %[[C]], %fs:(%[[A]]) 21 ; LINUX-X64-DAG: movq %[[COOKIE]], -8(%[[B]]) 22 23 ; LINUX-I386-DAG: movl __safestack_unsafe_stack_ptr@INDNTPOFF, %[[A:.*]] 24 ; LINUX-I386-DAG: movl %gs:(%[[A]]), %[[B:.*]] 25 ; LINUX-I386-DAG: movl %gs:20, %[[COOKIE:.*]] 26 ; LINUX-I386-DAG: leal -16(%[[B]]), %[[C:.*]] 27 ; LINUX-I386-DAG: movl %[[C]], %gs:(%[[A]]) 28 ; LINUX-I386-DAG: movl %[[COOKIE]], -4(%[[B]]) 29 30 ; FUCHSIA-X64-DAG: movq %fs:24, %[[B:.*]] 31 ; FUCHSIA-X64-DAG: movq %fs:16, %[[COOKIE:.*]] 32 ; FUCHSIA-X64-DAG: leaq -16(%[[B]]), %[[C:.*]] 33 ; FUCHSIA-X64-DAG: movq %[[C]], %fs:24 34 ; FUCHSIA-X64-DAG: movq %[[COOKIE]], -8(%[[B]]) 35
