arm64-umaxv.ll
5.25 KB
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; RUN: llc < %s -mtriple=arm64-eabi -aarch64-neon-syntax=apple -asm-verbose=false | FileCheck %s
define i32 @vmax_u8x8(<8 x i8> %a) nounwind ssp {
; CHECK-LABEL: vmax_u8x8:
; CHECK: umaxv.8b b[[REG:[0-9]+]], v0
; CHECK: fmov [[REG2:w[0-9]+]], s[[REG]]
; CHECK-NOT: and
; CHECK: cbz [[REG2]],
entry:
%vmaxv.i = tail call i32 @llvm.aarch64.neon.umaxv.i32.v8i8(<8 x i8> %a) nounwind
%tmp = trunc i32 %vmaxv.i to i8
%tobool = icmp eq i8 %tmp, 0
br i1 %tobool, label %return, label %if.then
if.then:
%call1 = tail call i32 bitcast (i32 (...)* @bar to i32 ()*)() nounwind
br label %return
return:
%retval.0 = phi i32 [ %call1, %if.then ], [ 0, %entry ]
ret i32 %retval.0
}
declare i32 @bar(...)
define i32 @vmax_u4x16(<4 x i16> %a) nounwind ssp {
; CHECK-LABEL: vmax_u4x16:
; CHECK: umaxv.4h h[[REG:[0-9]+]], v0
; CHECK: fmov [[REG2:w[0-9]+]], s[[REG]]
; CHECK-NOT: and
; CHECK: cbz [[REG2]],
entry:
%vmaxv.i = tail call i32 @llvm.aarch64.neon.umaxv.i32.v4i16(<4 x i16> %a) nounwind
%tmp = trunc i32 %vmaxv.i to i16
%tobool = icmp eq i16 %tmp, 0
br i1 %tobool, label %return, label %if.then
if.then:
%call1 = tail call i32 bitcast (i32 (...)* @bar to i32 ()*)() nounwind
br label %return
return:
%retval.0 = phi i32 [ %call1, %if.then ], [ 0, %entry ]
ret i32 %retval.0
}
define i32 @vmax_u8x16(<8 x i16> %a) nounwind ssp {
; CHECK-LABEL: vmax_u8x16:
; CHECK: umaxv.8h h[[REG:[0-9]+]], v0
; CHECK: fmov [[REG2:w[0-9]+]], s[[REG]]
; CHECK-NOT: and
; CHECK: cbz [[REG2]],
entry:
%vmaxv.i = tail call i32 @llvm.aarch64.neon.umaxv.i32.v8i16(<8 x i16> %a) nounwind
%tmp = trunc i32 %vmaxv.i to i16
%tobool = icmp eq i16 %tmp, 0
br i1 %tobool, label %return, label %if.then
if.then:
%call1 = tail call i32 bitcast (i32 (...)* @bar to i32 ()*)() nounwind
br label %return
return:
%retval.0 = phi i32 [ %call1, %if.then ], [ 0, %entry ]
ret i32 %retval.0
}
define i32 @vmax_u16x8(<16 x i8> %a) nounwind ssp {
; CHECK-LABEL: vmax_u16x8:
; CHECK: umaxv.16b b[[REG:[0-9]+]], v0
; CHECK: fmov [[REG2:w[0-9]+]], s[[REG]]
; CHECK-NOT: and
; CHECK: cbz [[REG2]],
entry:
%vmaxv.i = tail call i32 @llvm.aarch64.neon.umaxv.i32.v16i8(<16 x i8> %a) nounwind
%tmp = trunc i32 %vmaxv.i to i8
%tobool = icmp eq i8 %tmp, 0
br i1 %tobool, label %return, label %if.then
if.then:
%call1 = tail call i32 bitcast (i32 (...)* @bar to i32 ()*)() nounwind
br label %return
return:
%retval.0 = phi i32 [ %call1, %if.then ], [ 0, %entry ]
ret i32 %retval.0
}
define <8 x i8> @test_vmaxv_u8_used_by_laneop(<8 x i8> %a1, <8 x i8> %a2) {
; CHECK-LABEL: test_vmaxv_u8_used_by_laneop:
; CHECK: umaxv.8b b[[REGNUM:[0-9]+]], v1
; CHECK-NEXT: mov.b v0[3], v[[REGNUM]][0]
; CHECK-NEXT: ret
entry:
%0 = tail call i32 @llvm.aarch64.neon.umaxv.i32.v8i8(<8 x i8> %a2)
%1 = trunc i32 %0 to i8
%2 = insertelement <8 x i8> %a1, i8 %1, i32 3
ret <8 x i8> %2
}
define <4 x i16> @test_vmaxv_u16_used_by_laneop(<4 x i16> %a1, <4 x i16> %a2) {
; CHECK-LABEL: test_vmaxv_u16_used_by_laneop:
; CHECK: umaxv.4h h[[REGNUM:[0-9]+]], v1
; CHECK-NEXT: mov.h v0[3], v[[REGNUM]][0]
; CHECK-NEXT: ret
entry:
%0 = tail call i32 @llvm.aarch64.neon.umaxv.i32.v4i16(<4 x i16> %a2)
%1 = trunc i32 %0 to i16
%2 = insertelement <4 x i16> %a1, i16 %1, i32 3
ret <4 x i16> %2
}
define <2 x i32> @test_vmaxv_u32_used_by_laneop(<2 x i32> %a1, <2 x i32> %a2) {
; CHECK-LABEL: test_vmaxv_u32_used_by_laneop:
; CHECK: umaxp.2s v[[REGNUM:[0-9]+]], v1, v1
; CHECK-NEXT: mov.s v0[1], v[[REGNUM]][0]
; CHECK-NEXT: ret
entry:
%0 = tail call i32 @llvm.aarch64.neon.umaxv.i32.v2i32(<2 x i32> %a2)
%1 = insertelement <2 x i32> %a1, i32 %0, i32 1
ret <2 x i32> %1
}
define <16 x i8> @test_vmaxvq_u8_used_by_laneop(<16 x i8> %a1, <16 x i8> %a2) {
; CHECK-LABEL: test_vmaxvq_u8_used_by_laneop:
; CHECK: umaxv.16b b[[REGNUM:[0-9]+]], v1
; CHECK-NEXT: mov.b v0[3], v[[REGNUM]][0]
; CHECK-NEXT: ret
entry:
%0 = tail call i32 @llvm.aarch64.neon.umaxv.i32.v16i8(<16 x i8> %a2)
%1 = trunc i32 %0 to i8
%2 = insertelement <16 x i8> %a1, i8 %1, i32 3
ret <16 x i8> %2
}
define <8 x i16> @test_vmaxvq_u16_used_by_laneop(<8 x i16> %a1, <8 x i16> %a2) {
; CHECK-LABEL: test_vmaxvq_u16_used_by_laneop:
; CHECK: umaxv.8h h[[REGNUM:[0-9]+]], v1
; CHECK-NEXT: mov.h v0[3], v[[REGNUM]][0]
; CHECK-NEXT: ret
entry:
%0 = tail call i32 @llvm.aarch64.neon.umaxv.i32.v8i16(<8 x i16> %a2)
%1 = trunc i32 %0 to i16
%2 = insertelement <8 x i16> %a1, i16 %1, i32 3
ret <8 x i16> %2
}
define <4 x i32> @test_vmaxvq_u32_used_by_laneop(<4 x i32> %a1, <4 x i32> %a2) {
; CHECK-LABEL: test_vmaxvq_u32_used_by_laneop:
; CHECK: umaxv.4s s[[REGNUM:[0-9]+]], v1
; CHECK-NEXT: mov.s v0[3], v[[REGNUM]][0]
; CHECK-NEXT: ret
entry:
%0 = tail call i32 @llvm.aarch64.neon.umaxv.i32.v4i32(<4 x i32> %a2)
%1 = insertelement <4 x i32> %a1, i32 %0, i32 3
ret <4 x i32> %1
}
declare i32 @llvm.aarch64.neon.umaxv.i32.v16i8(<16 x i8>) nounwind readnone
declare i32 @llvm.aarch64.neon.umaxv.i32.v8i16(<8 x i16>) nounwind readnone
declare i32 @llvm.aarch64.neon.umaxv.i32.v4i16(<4 x i16>) nounwind readnone
declare i32 @llvm.aarch64.neon.umaxv.i32.v8i8(<8 x i8>) nounwind readnone
declare i32 @llvm.aarch64.neon.umaxv.i32.v2i32(<2 x i32>) nounwind readnone
declare i32 @llvm.aarch64.neon.umaxv.i32.v4i32(<4 x i32>) nounwind readnone