| ; RUN: llc -stop-after=systemz-isel -mtriple=s390x-ibm-linux < %s -o - | FileCheck -check-prefix=CHECK-DAGCOMBINE %s |
| ; RUN: llc -stop-after=finalize-isel -mtriple=s390x-ibm-linux < %s -o - | FileCheck -check-prefix=CHECK-CUSTOMINSERT %s |
| ; CHECK-DAGCOMBINE: bb.0.entry: |
| ; CHECK-DAGCOMBINE: MOV_STACKGUARD_DAG %stack.0.StackGuardSlot, 0 |
| ; CHECK-DAGCOMBINE: CMP_STACKGUARD_DAG %stack.0.StackGuardSlot, 0, implicit-def $cc |
| ; CHECK-CUSTOMINSERT: bb.0.entry |
| ; CHECK-CUSTOMINSERT: early-clobber %6:addr64bit = MOV_STACKGUARD %stack.0.StackGuardSlot, 0 |
| ; CHECK_CUSTOMINSERT: bb.3.entry |
| ; CHECK-CUSTOMINSERT: early-clobber %10:addr64bit = CMP_STACKGUARD %stack.0.StackGuardSlot, 0, implicit-def $cc |
| |
| define dso_local signext i32 @stack_guard_pseudo_check(i32 %argc, ptr %argv) #0 { |
| entry: |
| %Buffer = alloca [8 x i8], align 1 |
| call void @llvm.memset.p0.i64(ptr align 1 %Buffer, i8 0, i64 8, i1 false) |
| %arraydecay = getelementptr inbounds [8 x i8], ptr %Buffer, i64 0, i64 0 |
| %call = call ptr @strcpy(ptr noundef %arraydecay, ptr noundef %argv) |
| ret i32 0 |
| } |
| |
| declare void @llvm.memset.p0.i64(ptr writeonly captures(none), i8, i64, i1 immarg) |
| declare ptr @strcpy(ptr noundef, ptr noundef) |
| |
| attributes #0 = { ssp } |
