diff options
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/SystemZ/cc-liveness.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/SystemZ/cc-liveness.ll b/llvm/test/CodeGen/SystemZ/cc-liveness.ll new file mode 100644 index 00000000000..e4cbb15ea6e --- /dev/null +++ b/llvm/test/CodeGen/SystemZ/cc-liveness.ll @@ -0,0 +1,34 @@ +; 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=expand-isel-pseudos 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 i64**]]], align 8 + +; Function Attrs: nounwind +define dso_local signext i32 @main(i32 signext %arg, i8** nocapture readonly %arg1) local_unnamed_addr #0 { +bb: + %tmp = load i8, i8* 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.p0i8.p0i8.i64(i8* nonnull align 8 undef, i8* align 8 bitcast ([7 x [10 x [3 x i64**]]]* @func_38.l_1854 to i8*), i64 1680, i1 false) #2 + call fastcc void @transparent_crc(i64 undef, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.35, i64 0, i64 0), i32 signext %tmp5) + unreachable +} + +; Function Attrs: nounwind +declare dso_local fastcc void @transparent_crc(i64, i8*, i32 signext) unnamed_addr #0 + +; Function Attrs: argmemonly nounwind +declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #1 + |
