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Imported Upstream version 5.18.0.167
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external/llvm/test/CodeGen/SystemZ/memset-02.ll
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162
external/llvm/test/CodeGen/SystemZ/memset-02.ll
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@ -1,162 +0,0 @@
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; Test memset in cases where the set value is a constant other than 0 and -1.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare void @llvm.memset.p0i8.i32(i8 *nocapture, i8, i32, i32, i1) nounwind
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declare void @llvm.memset.p0i8.i64(i8 *nocapture, i8, i64, i32, i1) nounwind
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; No bytes, i32 version.
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define void @f1(i8 *%dest) {
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; CHECK-LABEL: f1:
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; CHECK-NOT: %r2
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; CHECK: br %r14
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call void @llvm.memset.p0i8.i32(i8 *%dest, i8 128, i32 0, i32 1, i1 false)
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ret void
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}
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; No bytes, i64 version.
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define void @f2(i8 *%dest) {
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; CHECK-LABEL: f2:
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; CHECK-NOT: %r2
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; CHECK: br %r14
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call void @llvm.memset.p0i8.i64(i8 *%dest, i8 128, i64 0, i32 1, i1 false)
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ret void
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}
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; 1 byte, i32 version.
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define void @f3(i8 *%dest) {
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; CHECK-LABEL: f3:
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; CHECK: mvi 0(%r2), 128
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; CHECK: br %r14
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call void @llvm.memset.p0i8.i32(i8 *%dest, i8 128, i32 1, i32 1, i1 false)
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ret void
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}
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; 1 byte, i64 version.
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define void @f4(i8 *%dest) {
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; CHECK-LABEL: f4:
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; CHECK: mvi 0(%r2), 128
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; CHECK: br %r14
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call void @llvm.memset.p0i8.i64(i8 *%dest, i8 128, i64 1, i32 1, i1 false)
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ret void
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}
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; 2 bytes, i32 version.
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define void @f5(i8 *%dest) {
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; CHECK-LABEL: f5:
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; CHECK: mvhhi 0(%r2), -32640
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; CHECK: br %r14
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call void @llvm.memset.p0i8.i32(i8 *%dest, i8 128, i32 2, i32 1, i1 false)
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ret void
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}
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; 2 bytes, i64 version.
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define void @f6(i8 *%dest) {
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; CHECK-LABEL: f6:
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; CHECK: mvhhi 0(%r2), -32640
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; CHECK: br %r14
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call void @llvm.memset.p0i8.i64(i8 *%dest, i8 128, i64 2, i32 1, i1 false)
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ret void
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}
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; 3 bytes, i32 version.
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define void @f7(i8 *%dest) {
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; CHECK-LABEL: f7:
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; CHECK-DAG: mvhhi 0(%r2), -32640
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; CHECK-DAG: mvi 2(%r2), 128
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; CHECK: br %r14
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call void @llvm.memset.p0i8.i32(i8 *%dest, i8 128, i32 3, i32 1, i1 false)
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ret void
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}
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; 3 bytes, i64 version.
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define void @f8(i8 *%dest) {
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; CHECK-LABEL: f8:
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; CHECK-DAG: mvhhi 0(%r2), -32640
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; CHECK-DAG: mvi 2(%r2), 128
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; CHECK: br %r14
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call void @llvm.memset.p0i8.i64(i8 *%dest, i8 128, i64 3, i32 1, i1 false)
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ret void
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}
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; 4 bytes, i32 version.
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define void @f9(i8 *%dest) {
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; CHECK-LABEL: f9:
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; CHECK: iilf [[REG:%r[0-5]]], 2155905152
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; CHECK: st [[REG]], 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0i8.i32(i8 *%dest, i8 128, i32 4, i32 1, i1 false)
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ret void
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}
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; 4 bytes, i64 version.
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define void @f10(i8 *%dest) {
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; CHECK-LABEL: f10:
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; CHECK: iilf [[REG:%r[0-5]]], 2155905152
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; CHECK: st [[REG]], 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0i8.i64(i8 *%dest, i8 128, i64 4, i32 1, i1 false)
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ret void
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}
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; 5 bytes, i32 version.
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define void @f11(i8 *%dest) {
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; CHECK-LABEL: f11:
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; CHECK: mvi 0(%r2), 128
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; CHECK: mvc 1(4,%r2), 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0i8.i32(i8 *%dest, i8 128, i32 5, i32 1, i1 false)
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ret void
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}
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; 5 bytes, i64 version.
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define void @f12(i8 *%dest) {
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; CHECK-LABEL: f12:
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; CHECK: mvi 0(%r2), 128
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; CHECK: mvc 1(4,%r2), 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0i8.i64(i8 *%dest, i8 128, i64 5, i32 1, i1 false)
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ret void
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}
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; 257 bytes, i32 version.
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define void @f13(i8 *%dest) {
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; CHECK-LABEL: f13:
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; CHECK: mvi 0(%r2), 128
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; CHECK: mvc 1(256,%r2), 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0i8.i32(i8 *%dest, i8 128, i32 257, i32 1, i1 false)
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ret void
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}
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; 257 bytes, i64 version.
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define void @f14(i8 *%dest) {
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; CHECK-LABEL: f14:
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; CHECK: mvi 0(%r2), 128
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; CHECK: mvc 1(256,%r2), 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0i8.i64(i8 *%dest, i8 128, i64 257, i32 1, i1 false)
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ret void
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}
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; 258 bytes, i32 version. We need two MVCs.
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define void @f15(i8 *%dest) {
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; CHECK-LABEL: f15:
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; CHECK: mvi 0(%r2), 128
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; CHECK: mvc 1(256,%r2), 0(%r2)
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; CHECK: mvc 257(1,%r2), 256(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0i8.i32(i8 *%dest, i8 128, i32 258, i32 1, i1 false)
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ret void
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}
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; 258 bytes, i64 version.
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define void @f16(i8 *%dest) {
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; CHECK-LABEL: f16:
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; CHECK: mvi 0(%r2), 128
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; CHECK: mvc 1(256,%r2), 0(%r2)
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; CHECK: mvc 257(1,%r2), 256(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0i8.i64(i8 *%dest, i8 128, i64 258, i32 1, i1 false)
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ret void
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}
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