| ; Check that the MVCLoop (memcpy) is marked as clobbering CC, so that it will | |
| ; not be placed betwen two compare and load-on-condition instructions. | |
| ; | |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 -pre-RA-sched=list-ilp \ | |
| ; RUN: -print-after=finalize-isel 2>&1 | FileCheck %s | |
| ; | |
| ; CHECK-LABEL: bb.0.bb: | |
| ; CHECK: CLI | |
| ; CHECK: LOCGHI | |
| ; CHECK-LABEL: bb.2.bb: | |
| ; CHECK: MVC | |
| @.str.35 = external dso_local unnamed_addr constant [9 x i8], align 2 | |
| @func_38.l_1854 = external dso_local unnamed_addr constant [7 x [10 x [3 x ptr]]], align 8 | |
| ; Function Attrs: nounwind | |
| define dso_local signext i32 @main(i32 signext %arg, ptr nocapture readonly %arg1) local_unnamed_addr #0 { | |
| bb: | |
| %tmp = load i8, ptr undef, align 1 | |
| %tmp2 = zext i8 %tmp to i32 | |
| %tmp3 = sub nsw i32 0, %tmp2 | |
| %tmp4 = icmp eq i32 %tmp3, 0 | |
| %tmp5 = zext i1 %tmp4 to i32 | |
| call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 8 undef, ptr align 8 @func_38.l_1854, i64 1680, i1 false) #2 | |
| call fastcc void @transparent_crc(i64 undef, ptr @.str.35, i32 signext %tmp5) | |
| unreachable | |
| } | |
| ; Function Attrs: nounwind | |
| declare dso_local fastcc void @transparent_crc(i64, ptr, i32 signext) unnamed_addr #0 | |
| ; Function Attrs: argmemonly nounwind | |
| declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1) #1 | |