mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-26 05:32:25 +00:00
867f9501f6
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190130 91177308-0d34-0410-b5e6-96231b3b80d8
383 lines
8.9 KiB
LLVM
383 lines
8.9 KiB
LLVM
; Test memsets that clear all bits.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
|
|
|
|
declare void @llvm.memset.p0i8.i32(i8 *nocapture, i8, i32, i32, i1) nounwind
|
|
declare void @llvm.memset.p0i8.i64(i8 *nocapture, i8, i64, i32, i1) nounwind
|
|
|
|
; No bytes, i32 version.
|
|
define void @f1(i8 *%dest) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK-NOT: %r2
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 0, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; No bytes, i64 version.
|
|
define void @f2(i8 *%dest) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK-NOT: %r2
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 0, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 1 byte, i32 version.
|
|
define void @f3(i8 *%dest) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: mvi 0(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 1, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 1 byte, i64 version.
|
|
define void @f4(i8 *%dest) {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: mvi 0(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 1, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 2 bytes, i32 version.
|
|
define void @f5(i8 *%dest) {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: mvhhi 0(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 2, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 2 bytes, i64 version.
|
|
define void @f6(i8 *%dest) {
|
|
; CHECK-LABEL: f6:
|
|
; CHECK: mvhhi 0(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 2, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 3 bytes, i32 version.
|
|
define void @f7(i8 *%dest) {
|
|
; CHECK-LABEL: f7:
|
|
; CHECK-DAG: mvhhi 0(%r2), 0
|
|
; CHECK-DAG: mvi 2(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 3, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 3 bytes, i64 version.
|
|
define void @f8(i8 *%dest) {
|
|
; CHECK-LABEL: f8:
|
|
; CHECK-DAG: mvhhi 0(%r2), 0
|
|
; CHECK-DAG: mvi 2(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 3, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 4 bytes, i32 version.
|
|
define void @f9(i8 *%dest) {
|
|
; CHECK-LABEL: f9:
|
|
; CHECK: mvhi 0(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 4, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 4 bytes, i64 version.
|
|
define void @f10(i8 *%dest) {
|
|
; CHECK-LABEL: f10:
|
|
; CHECK: mvhi 0(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 4, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 5 bytes, i32 version.
|
|
define void @f11(i8 *%dest) {
|
|
; CHECK-LABEL: f11:
|
|
; CHECK-DAG: mvhi 0(%r2), 0
|
|
; CHECK-DAG: mvi 4(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 5, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 5 bytes, i64 version.
|
|
define void @f12(i8 *%dest) {
|
|
; CHECK-LABEL: f12:
|
|
; CHECK-DAG: mvhi 0(%r2), 0
|
|
; CHECK-DAG: mvi 4(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 5, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 6 bytes, i32 version.
|
|
define void @f13(i8 *%dest) {
|
|
; CHECK-LABEL: f13:
|
|
; CHECK-DAG: mvhi 0(%r2), 0
|
|
; CHECK-DAG: mvhhi 4(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 6, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 6 bytes, i64 version.
|
|
define void @f14(i8 *%dest) {
|
|
; CHECK-LABEL: f14:
|
|
; CHECK-DAG: mvhi 0(%r2), 0
|
|
; CHECK-DAG: mvhhi 4(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 6, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 7 bytes, i32 version.
|
|
define void @f15(i8 *%dest) {
|
|
; CHECK-LABEL: f15:
|
|
; CHECK: xc 0(7,%r2), 0(%r2)
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 7, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 7 bytes, i64 version.
|
|
define void @f16(i8 *%dest) {
|
|
; CHECK-LABEL: f16:
|
|
; CHECK: xc 0(7,%r2), 0(%r2)
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 7, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 8 bytes, i32 version.
|
|
define void @f17(i8 *%dest) {
|
|
; CHECK-LABEL: f17:
|
|
; CHECK: mvghi 0(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 8, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 8 bytes, i64 version.
|
|
define void @f18(i8 *%dest) {
|
|
; CHECK-LABEL: f18:
|
|
; CHECK: mvghi 0(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 8, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 9 bytes, i32 version.
|
|
define void @f19(i8 *%dest) {
|
|
; CHECK-LABEL: f19:
|
|
; CHECK-DAG: mvghi 0(%r2), 0
|
|
; CHECK-DAG: mvi 8(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 9, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 9 bytes, i64 version.
|
|
define void @f20(i8 *%dest) {
|
|
; CHECK-LABEL: f20:
|
|
; CHECK-DAG: mvghi 0(%r2), 0
|
|
; CHECK-DAG: mvi 8(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 9, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 10 bytes, i32 version.
|
|
define void @f21(i8 *%dest) {
|
|
; CHECK-LABEL: f21:
|
|
; CHECK-DAG: mvghi 0(%r2), 0
|
|
; CHECK-DAG: mvhhi 8(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 10, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 10 bytes, i64 version.
|
|
define void @f22(i8 *%dest) {
|
|
; CHECK-LABEL: f22:
|
|
; CHECK-DAG: mvghi 0(%r2), 0
|
|
; CHECK-DAG: mvhhi 8(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 10, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 11 bytes, i32 version.
|
|
define void @f23(i8 *%dest) {
|
|
; CHECK-LABEL: f23:
|
|
; CHECK: xc 0(11,%r2), 0(%r2)
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 11, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 11 bytes, i64 version.
|
|
define void @f24(i8 *%dest) {
|
|
; CHECK-LABEL: f24:
|
|
; CHECK: xc 0(11,%r2), 0(%r2)
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 11, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 12 bytes, i32 version.
|
|
define void @f25(i8 *%dest) {
|
|
; CHECK-LABEL: f25:
|
|
; CHECK-DAG: mvghi 0(%r2), 0
|
|
; CHECK-DAG: mvhi 8(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 12, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 12 bytes, i64 version.
|
|
define void @f26(i8 *%dest) {
|
|
; CHECK-LABEL: f26:
|
|
; CHECK-DAG: mvghi 0(%r2), 0
|
|
; CHECK-DAG: mvhi 8(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 12, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 13 bytes, i32 version.
|
|
define void @f27(i8 *%dest) {
|
|
; CHECK-LABEL: f27:
|
|
; CHECK: xc 0(13,%r2), 0(%r2)
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 13, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 13 bytes, i64 version.
|
|
define void @f28(i8 *%dest) {
|
|
; CHECK-LABEL: f28:
|
|
; CHECK: xc 0(13,%r2), 0(%r2)
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 13, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 14 bytes, i32 version.
|
|
define void @f29(i8 *%dest) {
|
|
; CHECK-LABEL: f29:
|
|
; CHECK: xc 0(14,%r2), 0(%r2)
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 14, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 14 bytes, i64 version.
|
|
define void @f30(i8 *%dest) {
|
|
; CHECK-LABEL: f30:
|
|
; CHECK: xc 0(14,%r2), 0(%r2)
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 14, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 15 bytes, i32 version.
|
|
define void @f31(i8 *%dest) {
|
|
; CHECK-LABEL: f31:
|
|
; CHECK: xc 0(15,%r2), 0(%r2)
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 15, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 15 bytes, i64 version.
|
|
define void @f32(i8 *%dest) {
|
|
; CHECK-LABEL: f32:
|
|
; CHECK: xc 0(15,%r2), 0(%r2)
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 15, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 16 bytes, i32 version.
|
|
define void @f33(i8 *%dest) {
|
|
; CHECK-LABEL: f33:
|
|
; CHECK-DAG: mvghi 0(%r2), 0
|
|
; CHECK-DAG: mvghi 8(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 16, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 16 bytes, i64 version.
|
|
define void @f34(i8 *%dest) {
|
|
; CHECK-LABEL: f34:
|
|
; CHECK-DAG: mvghi 0(%r2), 0
|
|
; CHECK-DAG: mvghi 8(%r2), 0
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 16, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 17 bytes, i32 version.
|
|
define void @f35(i8 *%dest) {
|
|
; CHECK-LABEL: f35:
|
|
; CHECK: xc 0(17,%r2), 0(%r2)
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 17, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 17 bytes, i64 version.
|
|
define void @f36(i8 *%dest) {
|
|
; CHECK-LABEL: f36:
|
|
; CHECK: xc 0(17,%r2), 0(%r2)
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 17, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 256 bytes, i32 version.
|
|
define void @f37(i8 *%dest) {
|
|
; CHECK-LABEL: f37:
|
|
; CHECK: xc 0(256,%r2), 0(%r2)
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 256, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 256 bytes, i64 version.
|
|
define void @f38(i8 *%dest) {
|
|
; CHECK-LABEL: f38:
|
|
; CHECK: xc 0(256,%r2), 0(%r2)
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 256, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 257 bytes, i32 version. We need two MVCs.
|
|
define void @f39(i8 *%dest) {
|
|
; CHECK-LABEL: f39:
|
|
; CHECK: xc 0(256,%r2), 0(%r2)
|
|
; CHECK: xc 256(1,%r2), 256(%r2)
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i32(i8 *%dest, i8 0, i32 257, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; 257 bytes, i64 version.
|
|
define void @f40(i8 *%dest) {
|
|
; CHECK-LABEL: f40:
|
|
; CHECK: xc 0(256,%r2), 0(%r2)
|
|
; CHECK: xc 256(1,%r2), 256(%r2)
|
|
; CHECK: br %r14
|
|
call void @llvm.memset.p0i8.i64(i8 *%dest, i8 0, i64 257, i32 1, i1 false)
|
|
ret void
|
|
}
|