63 lines
3.5 KiB
LLVM
63 lines
3.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
|
|
|
|
; Test that the reverse is eliminated if the output and all the inputs
|
|
; of the instruction are calls to reverse.
|
|
define <vscale x 4 x i32> @binop_reverse(<vscale x 4 x i32> %a, <vscale x 4 x i32> %b) {
|
|
; CHECK-LABEL: @binop_reverse(
|
|
; CHECK-NEXT: [[ADD1:%.*]] = add <vscale x 4 x i32> [[A:%.*]], [[B:%.*]]
|
|
; CHECK-NEXT: ret <vscale x 4 x i32> [[ADD1]]
|
|
;
|
|
%reva = tail call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> %a)
|
|
%revb = tail call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> %b)
|
|
%add = add <vscale x 4 x i32> %reva, %revb
|
|
%revadd = tail call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> %add)
|
|
ret <vscale x 4 x i32> %revadd
|
|
}
|
|
|
|
define <vscale x 4 x i32> @binop_reverse_splat_RHS(<vscale x 4 x i32> %a, i32 %b) {
|
|
; CHECK-LABEL: @binop_reverse_splat_RHS(
|
|
; CHECK-NEXT: [[SPLAT_INSERT:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[B:%.*]], i64 0
|
|
; CHECK-NEXT: [[SPLAT:%.*]] = shufflevector <vscale x 4 x i32> [[SPLAT_INSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
|
|
; CHECK-NEXT: [[UDIV1:%.*]] = udiv <vscale x 4 x i32> [[A:%.*]], [[SPLAT]]
|
|
; CHECK-NEXT: ret <vscale x 4 x i32> [[UDIV1]]
|
|
;
|
|
%reva = tail call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> %a)
|
|
%splat_insert = insertelement <vscale x 4 x i32> poison, i32 %b, i32 0
|
|
%splat = shufflevector <vscale x 4 x i32> %splat_insert, <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
|
|
%udiv = udiv <vscale x 4 x i32> %reva, %splat
|
|
%revadd = tail call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> %udiv)
|
|
ret <vscale x 4 x i32> %revadd
|
|
}
|
|
|
|
define <vscale x 4 x i32> @binop_reverse_splat_LHS(<vscale x 4 x i32> %a, i32 %b) {
|
|
; CHECK-LABEL: @binop_reverse_splat_LHS(
|
|
; CHECK-NEXT: [[SPLAT_INSERT:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[B:%.*]], i64 0
|
|
; CHECK-NEXT: [[SPLAT:%.*]] = shufflevector <vscale x 4 x i32> [[SPLAT_INSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
|
|
; CHECK-NEXT: [[UDIV1:%.*]] = udiv <vscale x 4 x i32> [[SPLAT]], [[A:%.*]]
|
|
; CHECK-NEXT: ret <vscale x 4 x i32> [[UDIV1]]
|
|
;
|
|
%reva = tail call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> %a)
|
|
%splat_insert = insertelement <vscale x 4 x i32> poison, i32 %b, i32 0
|
|
%splat = shufflevector <vscale x 4 x i32> %splat_insert, <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
|
|
%udiv = udiv <vscale x 4 x i32> %splat, %reva
|
|
%revadd = tail call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> %udiv)
|
|
ret <vscale x 4 x i32> %revadd
|
|
}
|
|
|
|
define <vscale x 4 x float> @unop_reverse(<vscale x 4 x float> %a) {
|
|
; CHECK-LABEL: @unop_reverse(
|
|
; CHECK-NEXT: [[NEG1:%.*]] = fneg fast <vscale x 4 x float> [[A:%.*]]
|
|
; CHECK-NEXT: ret <vscale x 4 x float> [[NEG1]]
|
|
;
|
|
%reva = tail call <vscale x 4 x float> @llvm.experimental.vector.reverse.nxv4f32(<vscale x 4 x float> %a)
|
|
%neg = fneg fast <vscale x 4 x float> %reva
|
|
%revneg = tail call <vscale x 4 x float> @llvm.experimental.vector.reverse.nxv4f32(<vscale x 4 x float> %neg)
|
|
ret <vscale x 4 x float> %revneg
|
|
}
|
|
|
|
declare <vscale x 4 x float> @llvm.experimental.vector.reverse.nxv4f32(<vscale x 4 x float>)
|
|
declare <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32>)
|
|
|
|
|