a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
403 lines
9.1 KiB
LLVM
403 lines
9.1 KiB
LLVM
; Test memsets that set all bits.
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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.p0.i32(ptr nocapture, i8, i32, i1) nounwind
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declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1) nounwind
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; No bytes, i32 version.
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define void @f1(ptr %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.p0.i32(ptr %dest, i8 -1, i32 0, 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(ptr %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.p0.i64(ptr %dest, i8 -1, i64 0, 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(ptr %dest) {
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; CHECK-LABEL: f3:
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; CHECK: mvi 0(%r2), 255
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -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(ptr %dest) {
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; CHECK-LABEL: f4:
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; CHECK: mvi 0(%r2), 255
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 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(ptr %dest) {
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; CHECK-LABEL: f5:
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; CHECK: mvhhi 0(%r2), -1
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 2, 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(ptr %dest) {
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; CHECK-LABEL: f6:
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; CHECK: mvhhi 0(%r2), -1
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 2, 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(ptr %dest) {
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; CHECK-LABEL: f7:
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; CHECK-DAG: mvhhi 0(%r2), -1
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; CHECK-DAG: mvi 2(%r2), 255
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 3, 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(ptr %dest) {
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; CHECK-LABEL: f8:
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; CHECK-DAG: mvhhi 0(%r2), -1
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; CHECK-DAG: mvi 2(%r2), 255
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 3, 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(ptr %dest) {
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; CHECK-LABEL: f9:
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; CHECK: mvhi 0(%r2), -1
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 4, 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(ptr %dest) {
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; CHECK-LABEL: f10:
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; CHECK: mvhi 0(%r2), -1
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 4, 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(ptr %dest) {
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; CHECK-LABEL: f11:
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; CHECK-DAG: mvhi 0(%r2), -1
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; CHECK-DAG: mvi 4(%r2), 255
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 5, 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(ptr %dest) {
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; CHECK-LABEL: f12:
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; CHECK-DAG: mvhi 0(%r2), -1
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; CHECK-DAG: mvi 4(%r2), 255
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 5, i1 false)
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ret void
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}
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; 6 bytes, i32 version.
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define void @f13(ptr %dest) {
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; CHECK-LABEL: f13:
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; CHECK-DAG: mvhi 0(%r2), -1
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; CHECK-DAG: mvhhi 4(%r2), -1
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 6, i1 false)
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ret void
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}
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; 6 bytes, i64 version.
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define void @f14(ptr %dest) {
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; CHECK-LABEL: f14:
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; CHECK-DAG: mvhi 0(%r2), -1
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; CHECK-DAG: mvhhi 4(%r2), -1
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 6, i1 false)
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ret void
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}
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; 7 bytes, i32 version.
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define void @f15(ptr %dest) {
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; CHECK-LABEL: f15:
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; CHECK: mvi 0(%r2), 255
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; CHECK: mvc 1(6,%r2), 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 7, i1 false)
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ret void
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}
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; 7 bytes, i64 version.
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define void @f16(ptr %dest) {
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; CHECK-LABEL: f16:
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; CHECK: mvi 0(%r2), 255
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; CHECK: mvc 1(6,%r2), 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 7, i1 false)
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ret void
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}
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; 8 bytes, i32 version.
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define void @f17(ptr %dest) {
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; CHECK-LABEL: f17:
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; CHECK: mvghi 0(%r2), -1
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 8, i1 false)
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ret void
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}
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; 8 bytes, i64 version.
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define void @f18(ptr %dest) {
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; CHECK-LABEL: f18:
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; CHECK: mvghi 0(%r2), -1
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 8, i1 false)
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ret void
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}
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; 9 bytes, i32 version.
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define void @f19(ptr %dest) {
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; CHECK-LABEL: f19:
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; CHECK-DAG: mvghi 0(%r2), -1
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; CHECK-DAG: mvi 8(%r2), 255
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 9, i1 false)
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ret void
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}
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; 9 bytes, i64 version.
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define void @f20(ptr %dest) {
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; CHECK-LABEL: f20:
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; CHECK-DAG: mvghi 0(%r2), -1
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; CHECK-DAG: mvi 8(%r2), 255
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 9, i1 false)
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ret void
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}
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; 10 bytes, i32 version.
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define void @f21(ptr %dest) {
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; CHECK-LABEL: f21:
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; CHECK-DAG: mvghi 0(%r2), -1
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; CHECK-DAG: mvhhi 8(%r2), -1
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 10, i1 false)
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ret void
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}
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; 10 bytes, i64 version.
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define void @f22(ptr %dest) {
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; CHECK-LABEL: f22:
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; CHECK-DAG: mvghi 0(%r2), -1
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; CHECK-DAG: mvhhi 8(%r2), -1
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 10, i1 false)
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ret void
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}
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; 11 bytes, i32 version.
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define void @f23(ptr %dest) {
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; CHECK-LABEL: f23:
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; CHECK: mvi 0(%r2), 255
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; CHECK: mvc 1(10,%r2), 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 11, i1 false)
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ret void
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}
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; 11 bytes, i64 version.
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define void @f24(ptr %dest) {
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; CHECK-LABEL: f24:
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; CHECK: mvi 0(%r2), 255
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; CHECK: mvc 1(10,%r2), 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 11, i1 false)
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ret void
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}
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; 12 bytes, i32 version.
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define void @f25(ptr %dest) {
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; CHECK-LABEL: f25:
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; CHECK-DAG: mvghi 0(%r2), -1
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; CHECK-DAG: mvhi 8(%r2), -1
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 12, i1 false)
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ret void
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}
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; 12 bytes, i64 version.
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define void @f26(ptr %dest) {
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; CHECK-LABEL: f26:
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; CHECK-DAG: mvghi 0(%r2), -1
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; CHECK-DAG: mvhi 8(%r2), -1
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 12, i1 false)
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ret void
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}
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; 13 bytes, i32 version.
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define void @f27(ptr %dest) {
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; CHECK-LABEL: f27:
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; CHECK: mvi 0(%r2), 255
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; CHECK: mvc 1(12,%r2), 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 13, i1 false)
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ret void
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}
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; 13 bytes, i64 version.
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define void @f28(ptr %dest) {
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; CHECK-LABEL: f28:
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; CHECK: mvi 0(%r2), 255
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; CHECK: mvc 1(12,%r2), 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 13, i1 false)
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ret void
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}
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; 14 bytes, i32 version.
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define void @f29(ptr %dest) {
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; CHECK-LABEL: f29:
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; CHECK: mvi 0(%r2), 255
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; CHECK: mvc 1(13,%r2), 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 14, i1 false)
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ret void
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}
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; 14 bytes, i64 version.
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define void @f30(ptr %dest) {
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; CHECK-LABEL: f30:
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; CHECK: mvi 0(%r2), 255
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; CHECK: mvc 1(13,%r2), 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 14, i1 false)
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ret void
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}
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; 15 bytes, i32 version.
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define void @f31(ptr %dest) {
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; CHECK-LABEL: f31:
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; CHECK: mvi 0(%r2), 255
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; CHECK: mvc 1(14,%r2), 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 15, i1 false)
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ret void
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}
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; 15 bytes, i64 version.
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define void @f32(ptr %dest) {
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; CHECK-LABEL: f32:
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; CHECK: mvi 0(%r2), 255
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; CHECK: mvc 1(14,%r2), 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 15, i1 false)
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ret void
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}
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; 16 bytes, i32 version.
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define void @f33(ptr %dest) {
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; CHECK-LABEL: f33:
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; CHECK-DAG: mvghi 0(%r2), -1
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; CHECK-DAG: mvghi 8(%r2), -1
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 16, i1 false)
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ret void
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}
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; 16 bytes, i64 version.
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define void @f34(ptr %dest) {
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; CHECK-LABEL: f34:
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; CHECK-DAG: mvghi 0(%r2), -1
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; CHECK-DAG: mvghi 8(%r2), -1
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 16, i1 false)
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ret void
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}
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; 17 bytes, i32 version.
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define void @f35(ptr %dest) {
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; CHECK-LABEL: f35:
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; CHECK: mvi 0(%r2), 255
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; CHECK: mvc 1(16,%r2), 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 17, i1 false)
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ret void
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}
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; 17 bytes, i64 version.
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define void @f36(ptr %dest) {
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; CHECK-LABEL: f36:
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; CHECK: mvi 0(%r2), 255
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; CHECK: mvc 1(16,%r2), 0(%r2)
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 17, 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 @f37(ptr %dest) {
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; CHECK-LABEL: f37:
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; CHECK: mvi 0(%r2), 255
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; CHECK: mvc 1(255,%r2), 0(%r2)
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; CHECK: mvi 256(%r2), 255
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; CHECK: br %r14
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call void @llvm.memset.p0.i32(ptr %dest, i8 -1, i32 257, 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 @f38(ptr %dest) {
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; CHECK-LABEL: f38:
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; CHECK: mvi 0(%r2), 255
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; CHECK: mvc 1(255,%r2), 0(%r2)
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; CHECK: mvi 256(%r2), 255
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; CHECK: br %r14
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call void @llvm.memset.p0.i64(ptr %dest, i8 -1, i64 257, 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 @f39(ptr %dest) {
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; CHECK-LABEL: f39:
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; CHECK: mvi 0(%r2), 255
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; CHECK: mvc 1(255,%r2), 0(%r2)
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; CHECK: mvi 256(%r2), 255
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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.p0.i32(ptr %dest, i8 -1, i32 258, 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 @f40(ptr %dest) {
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; CHECK-LABEL: f40:
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; CHECK: mvi 0(%r2), 255
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; CHECK: mvc 1(255,%r2), 0(%r2)
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; CHECK: mvi 256(%r2), 255
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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.p0.i64(ptr %dest, i8 -1, i64 258, i1 false)
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ret void
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}
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