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clang-p2996/llvm/test/CodeGen/SystemZ/memset-08.ll
Kai Nacke a1710eb3cd [SystemZ][NFC] Opaque pointer migration. 
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.
2022-10-11 21:09:43 +00:00

421 lines
12 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mcpu=z15 %s -mtriple=s390x-linux-gnu -o - | FileCheck %s
;
; Test memsets of small constant lengths, that should not be done with MVC.
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg)
define void @reg17(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg17:
; CHECK: # %bb.0:
; CHECK-NEXT: stc %r3, 0(%r2)
; CHECK-NEXT: mvc 1(16,%r2), 0(%r2)
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 17, i1 false)
ret void
}
define void @reg18(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg18:
; CHECK: # %bb.0:
; CHECK-NEXT: vlvgp %v0, %r3, %r3
; CHECK-NEXT: vrepb %v0, %v0, 7
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: vsteh %v0, 16(%r2), 0
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 18, i1 false)
ret void
}
define void @reg19(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg19:
; CHECK: # %bb.0:
; CHECK-NEXT: vlvgp %v0, %r3, %r3
; CHECK-NEXT: vrepb %v0, %v0, 7
; CHECK-NEXT: vstef %v0, 15(%r2), 0
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 19, i1 false)
ret void
}
define void @reg20(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg20:
; CHECK: # %bb.0:
; CHECK-NEXT: vlvgp %v0, %r3, %r3
; CHECK-NEXT: vrepb %v0, %v0, 7
; CHECK-NEXT: vstef %v0, 16(%r2), 0
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 20, i1 false)
ret void
}
define void @reg21(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg21:
; CHECK: # %bb.0:
; CHECK-NEXT: vlvgp %v0, %r3, %r3
; CHECK-NEXT: vrepb %v0, %v0, 7
; CHECK-NEXT: vsteg %v0, 13(%r2), 0
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 21, i1 false)
ret void
}
define void @reg22(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg22:
; CHECK: # %bb.0:
; CHECK-NEXT: vlvgp %v0, %r3, %r3
; CHECK-NEXT: vrepb %v0, %v0, 7
; CHECK-NEXT: vsteg %v0, 14(%r2), 0
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 22, i1 false)
ret void
}
define void @reg23(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg23:
; CHECK: # %bb.0:
; CHECK-NEXT: vlvgp %v0, %r3, %r3
; CHECK-NEXT: vrepb %v0, %v0, 7
; CHECK-NEXT: vsteg %v0, 15(%r2), 0
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 23, i1 false)
ret void
}
define void @reg24(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg24:
; CHECK: # %bb.0:
; CHECK-NEXT: vlvgp %v0, %r3, %r3
; CHECK-NEXT: vrepb %v0, %v0, 7
; CHECK-NEXT: vsteg %v0, 16(%r2), 0
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 24, i1 false)
ret void
}
define void @reg25(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg25:
; CHECK: # %bb.0:
; CHECK-NEXT: vlvgp %v0, %r3, %r3
; CHECK-NEXT: vrepb %v0, %v0, 7
; CHECK-NEXT: vst %v0, 9(%r2)
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 25, i1 false)
ret void
}
define void @reg26(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg26:
; CHECK: # %bb.0:
; CHECK-NEXT: vlvgp %v0, %r3, %r3
; CHECK-NEXT: vrepb %v0, %v0, 7
; CHECK-NEXT: vst %v0, 10(%r2)
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 26, i1 false)
ret void
}
define void @reg27(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg27:
; CHECK: # %bb.0:
; CHECK-NEXT: vlvgp %v0, %r3, %r3
; CHECK-NEXT: vrepb %v0, %v0, 7
; CHECK-NEXT: vst %v0, 11(%r2)
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 27, i1 false)
ret void
}
define void @reg28(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg28:
; CHECK: # %bb.0:
; CHECK-NEXT: vlvgp %v0, %r3, %r3
; CHECK-NEXT: vrepb %v0, %v0, 7
; CHECK-NEXT: vst %v0, 12(%r2)
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 28, i1 false)
ret void
}
define void @reg29(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg29:
; CHECK: # %bb.0:
; CHECK-NEXT: vlvgp %v0, %r3, %r3
; CHECK-NEXT: vrepb %v0, %v0, 7
; CHECK-NEXT: vst %v0, 13(%r2)
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 29, i1 false)
ret void
}
define void @reg30(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg30:
; CHECK: # %bb.0:
; CHECK-NEXT: vlvgp %v0, %r3, %r3
; CHECK-NEXT: vrepb %v0, %v0, 7
; CHECK-NEXT: vst %v0, 14(%r2)
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 30, i1 false)
ret void
}
define void @reg31(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg31:
; CHECK: # %bb.0:
; CHECK-NEXT: vlvgp %v0, %r3, %r3
; CHECK-NEXT: vrepb %v0, %v0, 7
; CHECK-NEXT: vst %v0, 15(%r2)
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 31, i1 false)
ret void
}
define void @reg32(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg32:
; CHECK: # %bb.0:
; CHECK-NEXT: vlvgp %v0, %r3, %r3
; CHECK-NEXT: vrepb %v0, %v0, 7
; CHECK-NEXT: vst %v0, 16(%r2), 4
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 32, i1 false)
ret void
}
define void @reg33(ptr %Dst, i8 %val) {
; CHECK-LABEL: reg33:
; CHECK: # %bb.0:
; CHECK-NEXT: stc %r3, 0(%r2)
; CHECK-NEXT: mvc 1(32,%r2), 0(%r2)
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 %val, i64 33, i1 false)
ret void
}
;; Immediate value
define void @imm17(ptr %Dst) {
; CHECK-LABEL: imm17:
; CHECK: # %bb.0:
; CHECK-NEXT: mvi 0(%r2), 1
; CHECK-NEXT: mvc 1(16,%r2), 0(%r2)
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 1, i64 17, i1 false)
ret void
}
define void @imm18(ptr %Dst) {
; CHECK-LABEL: imm18:
; CHECK: # %bb.0:
; CHECK-NEXT: vgbm %v0, 65535
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: mvhhi 16(%r2), -1
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 -1, i64 18, i1 false)
ret void
}
define void @zero18(ptr %Dst) {
; CHECK-LABEL: zero18:
; CHECK: # %bb.0:
; CHECK-NEXT: xc 0(18,%r2), 0(%r2)
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 0, i64 18, i1 false)
ret void
}
define void @imm19(ptr %Dst) {
; CHECK-LABEL: imm19:
; CHECK: # %bb.0:
; CHECK-NEXT: vrepib %v0, 1
; CHECK-NEXT: vstef %v0, 15(%r2), 0
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 1, i64 19, i1 false)
ret void
}
define void @imm20(ptr %Dst) {
; CHECK-LABEL: imm20:
; CHECK: # %bb.0:
; CHECK-NEXT: vgbm %v0, 65535
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: mvhi 16(%r2), -1
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 -1, i64 20, i1 false)
ret void
}
define void @imm21(ptr %Dst) {
; CHECK-LABEL: imm21:
; CHECK: # %bb.0:
; CHECK-NEXT: vrepib %v0, 1
; CHECK-NEXT: vsteg %v0, 13(%r2), 0
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 1, i64 21, i1 false)
ret void
}
define void @imm22(ptr %Dst) {
; CHECK-LABEL: imm22:
; CHECK: # %bb.0:
; CHECK-NEXT: vgbm %v0, 65535
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: mvghi 14(%r2), -1
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 -1, i64 22, i1 false)
ret void
}
define void @imm23(ptr %Dst) {
; CHECK-LABEL: imm23:
; CHECK: # %bb.0:
; CHECK-NEXT: vrepib %v0, 1
; CHECK-NEXT: vsteg %v0, 15(%r2), 0
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 1, i64 23, i1 false)
ret void
}
define void @imm24(ptr %Dst) {
; CHECK-LABEL: imm24:
; CHECK: # %bb.0:
; CHECK-NEXT: vgbm %v0, 65535
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: mvghi 16(%r2), -1
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 -1, i64 24, i1 false)
ret void
}
define void @imm25(ptr %Dst) {
; CHECK-LABEL: imm25:
; CHECK: # %bb.0:
; CHECK-NEXT: vrepib %v0, 1
; CHECK-NEXT: vst %v0, 9(%r2)
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 1, i64 25, i1 false)
ret void
}
define void @imm26(ptr %Dst) {
; CHECK-LABEL: imm26:
; CHECK: # %bb.0:
; CHECK-NEXT: vgbm %v0, 65535
; CHECK-NEXT: vst %v0, 10(%r2)
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 -1, i64 26, i1 false)
ret void
}
define void @zero26(ptr %Dst) {
; CHECK-LABEL: zero26:
; CHECK: # %bb.0:
; CHECK-NEXT: xc 0(26,%r2), 0(%r2)
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 0, i64 26, i1 false)
ret void
}
define void @imm27(ptr %Dst) {
; CHECK-LABEL: imm27:
; CHECK: # %bb.0:
; CHECK-NEXT: vrepib %v0, 1
; CHECK-NEXT: vst %v0, 11(%r2)
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 1, i64 27, i1 false)
ret void
}
define void @imm28(ptr %Dst) {
; CHECK-LABEL: imm28:
; CHECK: # %bb.0:
; CHECK-NEXT: vgbm %v0, 65535
; CHECK-NEXT: vst %v0, 12(%r2)
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 -1, i64 28, i1 false)
ret void
}
define void @imm29(ptr %Dst) {
; CHECK-LABEL: imm29:
; CHECK: # %bb.0:
; CHECK-NEXT: vrepib %v0, 1
; CHECK-NEXT: vst %v0, 13(%r2)
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 1, i64 29, i1 false)
ret void
}
define void @imm30(ptr %Dst) {
; CHECK-LABEL: imm30:
; CHECK: # %bb.0:
; CHECK-NEXT: vgbm %v0, 65535
; CHECK-NEXT: vst %v0, 14(%r2)
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 -1, i64 30, i1 false)
ret void
}
define void @imm31(ptr %Dst) {
; CHECK-LABEL: imm31:
; CHECK: # %bb.0:
; CHECK-NEXT: vrepib %v0, 1
; CHECK-NEXT: vst %v0, 15(%r2)
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 1, i64 31, i1 false)
ret void
}
define void @imm32(ptr %Dst) {
; CHECK-LABEL: imm32:
; CHECK: # %bb.0:
; CHECK-NEXT: vgbm %v0, 65535
; CHECK-NEXT: vst %v0, 16(%r2), 4
; CHECK-NEXT: vst %v0, 0(%r2), 4
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 -1, i64 32, i1 false)
ret void
}
define void @zero32(ptr %Dst) {
; CHECK-LABEL: zero32:
; CHECK: # %bb.0:
; CHECK-NEXT: xc 0(32,%r2), 0(%r2)
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 0, i64 32, i1 false)
ret void
}
define void @imm33(ptr %Dst) {
; CHECK-LABEL: imm33:
; CHECK: # %bb.0:
; CHECK-NEXT: mvi 0(%r2), 1
; CHECK-NEXT: mvc 1(32,%r2), 0(%r2)
; CHECK-NEXT: br %r14
call void @llvm.memset.p0.i64(ptr align 16 %Dst, i8 1, i64 33, i1 false)
ret void
}
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