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llvm-mirror/test/CodeGen/AArch64/sve-insert-element.ll
David Sherwood 1652ed61e6 [SVE][CodeGen] Add README for SVE-related warnings in tests
I have added a new file:

  llvm/test/CodeGen/AArch64/README

that describes what to do in the event one of the SVE codegen tests
fails the warnings check. In addition, I've added comments to all
the relevant SVE tests pointing users at the README file.

Differential Revision: https://reviews.llvm.org/D83467
2020-07-14 08:31:10 +01:00

228 lines
7.3 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve < %s 2>%t | FileCheck %s
; RUN: FileCheck --check-prefix=WARN --allow-empty %s <%t
; If this check fails please read test/CodeGen/AArch64/README for instructions on how to resolve it.
; WARN-NOT: warning
define <vscale x 16 x i8> @test_lane0_16xi8(<vscale x 16 x i8> %a) {
; CHECK-LABEL: test_lane0_16xi8:
; CHECK: // %bb.0:
; CHECK-NEXT: ptrue p0.b, vl1
; CHECK-NEXT: mov w8, #30
; CHECK-NEXT: mov z0.b, p0/m, w8
; CHECK-NEXT: ret
%b = insertelement <vscale x 16 x i8> %a, i8 30, i32 0
ret <vscale x 16 x i8> %b
}
define <vscale x 8 x i16> @test_lane0_8xi16(<vscale x 8 x i16> %a) {
; CHECK-LABEL: test_lane0_8xi16:
; CHECK: // %bb.0:
; CHECK-NEXT: ptrue p0.h, vl1
; CHECK-NEXT: mov w8, #30
; CHECK-NEXT: mov z0.h, p0/m, w8
; CHECK-NEXT: ret
%b = insertelement <vscale x 8 x i16> %a, i16 30, i32 0
ret <vscale x 8 x i16> %b
}
define <vscale x 4 x i32> @test_lane0_4xi32(<vscale x 4 x i32> %a) {
; CHECK-LABEL: test_lane0_4xi32:
; CHECK: // %bb.0:
; CHECK-NEXT: ptrue p0.s, vl1
; CHECK-NEXT: mov w8, #30
; CHECK-NEXT: mov z0.s, p0/m, w8
; CHECK-NEXT: ret
%b = insertelement <vscale x 4 x i32> %a, i32 30, i32 0
ret <vscale x 4 x i32> %b
}
define <vscale x 2 x i64> @test_lane0_2xi64(<vscale x 2 x i64> %a) {
; CHECK-LABEL: test_lane0_2xi64:
; CHECK: // %bb.0:
; CHECK-NEXT: ptrue p0.d, vl1
; CHECK-NEXT: mov w8, #30
; CHECK-NEXT: mov z0.d, p0/m, x8
; CHECK-NEXT: ret
%b = insertelement <vscale x 2 x i64> %a, i64 30, i32 0
ret <vscale x 2 x i64> %b
}
define <vscale x 2 x double> @test_lane0_2xf64(<vscale x 2 x double> %a) {
; CHECK-LABEL: test_lane0_2xf64:
; CHECK: // %bb.0:
; CHECK-NEXT: fmov d1, #1.00000000
; CHECK-NEXT: ptrue p0.d, vl1
; CHECK-NEXT: mov z0.d, p0/m, z1.d
; CHECK-NEXT: ret
%b = insertelement <vscale x 2 x double> %a, double 1.0, i32 0
ret <vscale x 2 x double> %b
}
define <vscale x 4 x float> @test_lane0_4xf32(<vscale x 4 x float> %a) {
; CHECK-LABEL: test_lane0_4xf32:
; CHECK: // %bb.0:
; CHECK-NEXT: fmov s1, #1.00000000
; CHECK-NEXT: ptrue p0.s, vl1
; CHECK-NEXT: mov z0.s, p0/m, z1.s
; CHECK-NEXT: ret
%b = insertelement <vscale x 4 x float> %a, float 1.0, i32 0
ret <vscale x 4 x float> %b
}
define <vscale x 8 x half> @test_lane0_8xf16(<vscale x 8 x half> %a) {
; CHECK-LABEL: test_lane0_8xf16:
; CHECK: // %bb.0:
; CHECK-NEXT: fmov h1, #1.00000000
; CHECK-NEXT: ptrue p0.h, vl1
; CHECK-NEXT: mov z0.h, p0/m, z1.h
; CHECK-NEXT: ret
%b = insertelement <vscale x 8 x half> %a, half 1.0, i32 0
ret <vscale x 8 x half> %b
}
; Undefined lane insert
define <vscale x 2 x i64> @test_lane4_2xi64(<vscale x 2 x i64> %a) {
; CHECK-LABEL: test_lane4_2xi64:
; CHECK: // %bb.0:
; CHECK-NEXT: mov w8, #4
; CHECK-NEXT: index z1.d, #0, #1
; CHECK-NEXT: ptrue p0.d
; CHECK-NEXT: mov z2.d, x8
; CHECK-NEXT: cmpeq p0.d, p0/z, z1.d, z2.d
; CHECK-NEXT: mov w8, #30
; CHECK-NEXT: mov z0.d, p0/m, x8
; CHECK-NEXT: ret
%b = insertelement <vscale x 2 x i64> %a, i64 30, i32 4
ret <vscale x 2 x i64> %b
}
; Undefined lane insert
define <vscale x 8 x half> @test_lane9_8xf16(<vscale x 8 x half> %a) {
; CHECK-LABEL: test_lane9_8xf16:
; CHECK: // %bb.0:
; CHECK-NEXT: mov w8, #9
; CHECK-NEXT: index z1.h, #0, #1
; CHECK-NEXT: ptrue p0.h
; CHECK-NEXT: mov z2.h, w8
; CHECK-NEXT: cmpeq p0.h, p0/z, z1.h, z2.h
; CHECK-NEXT: fmov h1, #1.00000000
; CHECK-NEXT: mov z0.h, p0/m, h1
; CHECK-NEXT: ret
%b = insertelement <vscale x 8 x half> %a, half 1.0, i32 9
ret <vscale x 8 x half> %b
}
define <vscale x 16 x i8> @test_lane1_16xi8(<vscale x 16 x i8> %a) {
; CHECK-LABEL: test_lane1_16xi8:
; CHECK: // %bb.0:
; CHECK-NEXT: mov w8, #1
; CHECK-NEXT: index z1.b, #0, #1
; CHECK-NEXT: ptrue p0.b
; CHECK-NEXT: mov z2.b, w8
; CHECK-NEXT: cmpeq p0.b, p0/z, z1.b, z2.b
; CHECK-NEXT: mov w8, #30
; CHECK-NEXT: mov z0.b, p0/m, w8
; CHECK-NEXT: ret
%b = insertelement <vscale x 16 x i8> %a, i8 30, i32 1
ret <vscale x 16 x i8> %b
}
define <vscale x 16 x i8> @test_lanex_16xi8(<vscale x 16 x i8> %a, i32 %x) {
; CHECK-LABEL: test_lanex_16xi8:
; CHECK: // %bb.0:
; CHECK-NEXT: // kill: def $w0 killed $w0 def $x0
; CHECK-NEXT: sxtw x8, w0
; CHECK-NEXT: index z1.b, #0, #1
; CHECK-NEXT: ptrue p0.b
; CHECK-NEXT: mov z2.b, w8
; CHECK-NEXT: cmpeq p0.b, p0/z, z1.b, z2.b
; CHECK-NEXT: mov w8, #30
; CHECK-NEXT: mov z0.b, p0/m, w8
; CHECK-NEXT: ret
%b = insertelement <vscale x 16 x i8> %a, i8 30, i32 %x
ret <vscale x 16 x i8> %b
}
; Redundant lane insert
define <vscale x 4 x i32> @extract_insert_4xi32(<vscale x 4 x i32> %a) {
; CHECK-LABEL: extract_insert_4xi32:
; CHECK: // %bb.0:
; CHECK-NEXT: ret
%b = extractelement <vscale x 4 x i32> %a, i32 2
%c = insertelement <vscale x 4 x i32> %a, i32 %b, i32 2
ret <vscale x 4 x i32> %c
}
define <vscale x 8 x i16> @test_lane6_undef_8xi16(i16 %a) {
; CHECK-LABEL: test_lane6_undef_8xi16:
; CHECK: // %bb.0:
; CHECK-NEXT: mov w8, #6
; CHECK-NEXT: index z0.h, #0, #1
; CHECK-NEXT: mov z1.h, w8
; CHECK-NEXT: ptrue p0.h
; CHECK-NEXT: cmpeq p0.h, p0/z, z0.h, z1.h
; CHECK-NEXT: mov z0.h, p0/m, w0
; CHECK-NEXT: ret
%b = insertelement <vscale x 8 x i16> undef, i16 %a, i32 6
ret <vscale x 8 x i16> %b
}
define <vscale x 16 x i8> @test_lane0_undef_16xi8(i8 %a) {
; CHECK-LABEL: test_lane0_undef_16xi8:
; CHECK: // %bb.0:
; CHECK-NEXT: fmov s0, w0
; CHECK-NEXT: ret
%b = insertelement <vscale x 16 x i8> undef, i8 %a, i32 0
ret <vscale x 16 x i8> %b
}
define <vscale x 16 x i8> @test_insert0_of_extract0_16xi8(<vscale x 16 x i8> %a, <vscale x 16 x i8> %b) {
; CHECK-LABEL: test_insert0_of_extract0_16xi8:
; CHECK: // %bb.0:
; CHECK-NEXT: mov z1.b, b1
; CHECK-NEXT: ptrue p0.b, vl1
; CHECK-NEXT: fmov w8, s1
; CHECK-NEXT: mov z0.b, p0/m, w8
; CHECK-NEXT: ret
%c = extractelement <vscale x 16 x i8> %b, i32 0
%d = insertelement <vscale x 16 x i8> %a, i8 %c, i32 0
ret <vscale x 16 x i8> %d
}
define <vscale x 16 x i8> @test_insert64_of_extract64_16xi8(<vscale x 16 x i8> %a, <vscale x 16 x i8> %b) {
; CHECK-LABEL: test_insert64_of_extract64_16xi8:
; CHECK: // %bb.0:
; CHECK-NEXT: mov w8, #64
; CHECK-NEXT: index z2.b, #0, #1
; CHECK-NEXT: ptrue p0.b
; CHECK-NEXT: whilels p1.b, xzr, x8
; CHECK-NEXT: mov z3.b, w8
; CHECK-NEXT: lastb w8, p1, z1.b
; CHECK-NEXT: cmpeq p0.b, p0/z, z2.b, z3.b
; CHECK-NEXT: mov z0.b, p0/m, w8
; CHECK-NEXT: ret
%c = extractelement <vscale x 16 x i8> %b, i32 64
%d = insertelement <vscale x 16 x i8> %a, i8 %c, i32 64
ret <vscale x 16 x i8> %d
}
define <vscale x 16 x i8> @test_insert3_of_extract1_16xi8(<vscale x 16 x i8> %a, <vscale x 16 x i8> %b) {
; CHECK-LABEL: test_insert3_of_extract1_16xi8:
; CHECK: // %bb.0:
; CHECK-NEXT: mov z1.b, z1.b[1]
; CHECK-NEXT: mov w8, #3
; CHECK-NEXT: index z2.b, #0, #1
; CHECK-NEXT: fmov w9, s1
; CHECK-NEXT: mov z1.b, w8
; CHECK-NEXT: ptrue p0.b
; CHECK-NEXT: cmpeq p0.b, p0/z, z2.b, z1.b
; CHECK-NEXT: mov z0.b, p0/m, w9
; CHECK-NEXT: ret
%c = extractelement <vscale x 16 x i8> %b, i32 1
%d = insertelement <vscale x 16 x i8> %a, i8 %c, i32 3
ret <vscale x 16 x i8> %d
}