mirror of
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1f0cfcc0d1
The behavior of {MIN,MAX}NAN differs from that of {MIN,MAX}NUM when only
one of the inputs is NaN: -NUM will return the non-NaN argument while
-NAN would return NaN.
It is desirable to lower to @llvm.{min,max}num to -NAN if they don't
have a native instruction for -NUM. Notably, ARMv7 NEON's vmin has the
-NAN semantics.
N.B. Of course, it is only safe to do this if the intrinsic call is
marked nnan.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266279 91177308-0d34-0410-b5e6-96231b3b80d8
311 lines
11 KiB
LLVM
311 lines
11 KiB
LLVM
; RUN: llc -mtriple=arm-eabi -mattr=+neon %s -o - | FileCheck %s
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define <8 x i8> @vmins8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
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;CHECK-LABEL: vmins8:
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;CHECK: vmin.s8
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%tmp1 = load <8 x i8>, <8 x i8>* %A
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%tmp2 = load <8 x i8>, <8 x i8>* %B
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%tmp3 = call <8 x i8> @llvm.arm.neon.vmins.v8i8(<8 x i8> %tmp1, <8 x i8> %tmp2)
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ret <8 x i8> %tmp3
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}
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define <4 x i16> @vmins16(<4 x i16>* %A, <4 x i16>* %B) nounwind {
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;CHECK-LABEL: vmins16:
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;CHECK: vmin.s16
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%tmp1 = load <4 x i16>, <4 x i16>* %A
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%tmp2 = load <4 x i16>, <4 x i16>* %B
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%tmp3 = call <4 x i16> @llvm.arm.neon.vmins.v4i16(<4 x i16> %tmp1, <4 x i16> %tmp2)
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ret <4 x i16> %tmp3
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}
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define <2 x i32> @vmins32(<2 x i32>* %A, <2 x i32>* %B) nounwind {
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;CHECK-LABEL: vmins32:
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;CHECK: vmin.s32
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%tmp1 = load <2 x i32>, <2 x i32>* %A
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%tmp2 = load <2 x i32>, <2 x i32>* %B
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%tmp3 = call <2 x i32> @llvm.arm.neon.vmins.v2i32(<2 x i32> %tmp1, <2 x i32> %tmp2)
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ret <2 x i32> %tmp3
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}
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define <8 x i8> @vminu8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
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;CHECK-LABEL: vminu8:
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;CHECK: vmin.u8
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%tmp1 = load <8 x i8>, <8 x i8>* %A
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%tmp2 = load <8 x i8>, <8 x i8>* %B
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%tmp3 = call <8 x i8> @llvm.arm.neon.vminu.v8i8(<8 x i8> %tmp1, <8 x i8> %tmp2)
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ret <8 x i8> %tmp3
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}
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define <4 x i16> @vminu16(<4 x i16>* %A, <4 x i16>* %B) nounwind {
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;CHECK-LABEL: vminu16:
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;CHECK: vmin.u16
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%tmp1 = load <4 x i16>, <4 x i16>* %A
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%tmp2 = load <4 x i16>, <4 x i16>* %B
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%tmp3 = call <4 x i16> @llvm.arm.neon.vminu.v4i16(<4 x i16> %tmp1, <4 x i16> %tmp2)
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ret <4 x i16> %tmp3
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}
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define <2 x i32> @vminu32(<2 x i32>* %A, <2 x i32>* %B) nounwind {
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;CHECK-LABEL: vminu32:
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;CHECK: vmin.u32
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%tmp1 = load <2 x i32>, <2 x i32>* %A
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%tmp2 = load <2 x i32>, <2 x i32>* %B
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%tmp3 = call <2 x i32> @llvm.arm.neon.vminu.v2i32(<2 x i32> %tmp1, <2 x i32> %tmp2)
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ret <2 x i32> %tmp3
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}
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define <2 x float> @vminf32(<2 x float>* %A, <2 x float>* %B) nounwind {
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;CHECK-LABEL: vminf32:
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;CHECK: vmin.f32
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%tmp1 = load <2 x float>, <2 x float>* %A
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%tmp2 = load <2 x float>, <2 x float>* %B
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%tmp3 = call <2 x float> @llvm.arm.neon.vmins.v2f32(<2 x float> %tmp1, <2 x float> %tmp2)
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ret <2 x float> %tmp3
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}
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define <16 x i8> @vminQs8(<16 x i8>* %A, <16 x i8>* %B) nounwind {
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;CHECK-LABEL: vminQs8:
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;CHECK: vmin.s8
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%tmp1 = load <16 x i8>, <16 x i8>* %A
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%tmp2 = load <16 x i8>, <16 x i8>* %B
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%tmp3 = call <16 x i8> @llvm.arm.neon.vmins.v16i8(<16 x i8> %tmp1, <16 x i8> %tmp2)
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ret <16 x i8> %tmp3
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}
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define <8 x i16> @vminQs16(<8 x i16>* %A, <8 x i16>* %B) nounwind {
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;CHECK-LABEL: vminQs16:
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;CHECK: vmin.s16
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%tmp1 = load <8 x i16>, <8 x i16>* %A
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%tmp2 = load <8 x i16>, <8 x i16>* %B
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%tmp3 = call <8 x i16> @llvm.arm.neon.vmins.v8i16(<8 x i16> %tmp1, <8 x i16> %tmp2)
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ret <8 x i16> %tmp3
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}
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define <4 x i32> @vminQs32(<4 x i32>* %A, <4 x i32>* %B) nounwind {
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;CHECK-LABEL: vminQs32:
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;CHECK: vmin.s32
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%tmp1 = load <4 x i32>, <4 x i32>* %A
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%tmp2 = load <4 x i32>, <4 x i32>* %B
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%tmp3 = call <4 x i32> @llvm.arm.neon.vmins.v4i32(<4 x i32> %tmp1, <4 x i32> %tmp2)
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ret <4 x i32> %tmp3
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}
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define <16 x i8> @vminQu8(<16 x i8>* %A, <16 x i8>* %B) nounwind {
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;CHECK-LABEL: vminQu8:
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;CHECK: vmin.u8
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%tmp1 = load <16 x i8>, <16 x i8>* %A
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%tmp2 = load <16 x i8>, <16 x i8>* %B
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%tmp3 = call <16 x i8> @llvm.arm.neon.vminu.v16i8(<16 x i8> %tmp1, <16 x i8> %tmp2)
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ret <16 x i8> %tmp3
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}
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define <8 x i16> @vminQu16(<8 x i16>* %A, <8 x i16>* %B) nounwind {
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;CHECK-LABEL: vminQu16:
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;CHECK: vmin.u16
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%tmp1 = load <8 x i16>, <8 x i16>* %A
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%tmp2 = load <8 x i16>, <8 x i16>* %B
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%tmp3 = call <8 x i16> @llvm.arm.neon.vminu.v8i16(<8 x i16> %tmp1, <8 x i16> %tmp2)
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ret <8 x i16> %tmp3
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}
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define <4 x i32> @vminQu32(<4 x i32>* %A, <4 x i32>* %B) nounwind {
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;CHECK-LABEL: vminQu32:
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;CHECK: vmin.u32
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%tmp1 = load <4 x i32>, <4 x i32>* %A
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%tmp2 = load <4 x i32>, <4 x i32>* %B
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%tmp3 = call <4 x i32> @llvm.arm.neon.vminu.v4i32(<4 x i32> %tmp1, <4 x i32> %tmp2)
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ret <4 x i32> %tmp3
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}
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define <4 x float> @vminQf32(<4 x float>* %A, <4 x float>* %B) nounwind {
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;CHECK-LABEL: vminQf32:
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;CHECK: vmin.f32
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%tmp1 = load <4 x float>, <4 x float>* %A
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%tmp2 = load <4 x float>, <4 x float>* %B
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%tmp3 = call <4 x float> @llvm.arm.neon.vmins.v4f32(<4 x float> %tmp1, <4 x float> %tmp2)
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ret <4 x float> %tmp3
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}
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declare <8 x i8> @llvm.arm.neon.vmins.v8i8(<8 x i8>, <8 x i8>) nounwind readnone
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declare <4 x i16> @llvm.arm.neon.vmins.v4i16(<4 x i16>, <4 x i16>) nounwind readnone
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declare <2 x i32> @llvm.arm.neon.vmins.v2i32(<2 x i32>, <2 x i32>) nounwind readnone
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declare <8 x i8> @llvm.arm.neon.vminu.v8i8(<8 x i8>, <8 x i8>) nounwind readnone
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declare <4 x i16> @llvm.arm.neon.vminu.v4i16(<4 x i16>, <4 x i16>) nounwind readnone
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declare <2 x i32> @llvm.arm.neon.vminu.v2i32(<2 x i32>, <2 x i32>) nounwind readnone
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declare <2 x float> @llvm.arm.neon.vmins.v2f32(<2 x float>, <2 x float>) nounwind readnone
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declare <16 x i8> @llvm.arm.neon.vmins.v16i8(<16 x i8>, <16 x i8>) nounwind readnone
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declare <8 x i16> @llvm.arm.neon.vmins.v8i16(<8 x i16>, <8 x i16>) nounwind readnone
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declare <4 x i32> @llvm.arm.neon.vmins.v4i32(<4 x i32>, <4 x i32>) nounwind readnone
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declare <16 x i8> @llvm.arm.neon.vminu.v16i8(<16 x i8>, <16 x i8>) nounwind readnone
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declare <8 x i16> @llvm.arm.neon.vminu.v8i16(<8 x i16>, <8 x i16>) nounwind readnone
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declare <4 x i32> @llvm.arm.neon.vminu.v4i32(<4 x i32>, <4 x i32>) nounwind readnone
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declare <4 x float> @llvm.arm.neon.vmins.v4f32(<4 x float>, <4 x float>) nounwind readnone
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define <8 x i8> @vmaxs8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
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;CHECK-LABEL: vmaxs8:
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;CHECK: vmax.s8
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%tmp1 = load <8 x i8>, <8 x i8>* %A
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%tmp2 = load <8 x i8>, <8 x i8>* %B
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%tmp3 = call <8 x i8> @llvm.arm.neon.vmaxs.v8i8(<8 x i8> %tmp1, <8 x i8> %tmp2)
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ret <8 x i8> %tmp3
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}
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define <4 x i16> @vmaxs16(<4 x i16>* %A, <4 x i16>* %B) nounwind {
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;CHECK-LABEL: vmaxs16:
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;CHECK: vmax.s16
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%tmp1 = load <4 x i16>, <4 x i16>* %A
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%tmp2 = load <4 x i16>, <4 x i16>* %B
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%tmp3 = call <4 x i16> @llvm.arm.neon.vmaxs.v4i16(<4 x i16> %tmp1, <4 x i16> %tmp2)
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ret <4 x i16> %tmp3
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}
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define <2 x i32> @vmaxs32(<2 x i32>* %A, <2 x i32>* %B) nounwind {
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;CHECK-LABEL: vmaxs32:
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;CHECK: vmax.s32
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%tmp1 = load <2 x i32>, <2 x i32>* %A
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%tmp2 = load <2 x i32>, <2 x i32>* %B
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%tmp3 = call <2 x i32> @llvm.arm.neon.vmaxs.v2i32(<2 x i32> %tmp1, <2 x i32> %tmp2)
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ret <2 x i32> %tmp3
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}
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define <8 x i8> @vmaxu8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
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;CHECK-LABEL: vmaxu8:
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;CHECK: vmax.u8
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%tmp1 = load <8 x i8>, <8 x i8>* %A
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%tmp2 = load <8 x i8>, <8 x i8>* %B
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%tmp3 = call <8 x i8> @llvm.arm.neon.vmaxu.v8i8(<8 x i8> %tmp1, <8 x i8> %tmp2)
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ret <8 x i8> %tmp3
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}
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define <4 x i16> @vmaxu16(<4 x i16>* %A, <4 x i16>* %B) nounwind {
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;CHECK-LABEL: vmaxu16:
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;CHECK: vmax.u16
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%tmp1 = load <4 x i16>, <4 x i16>* %A
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%tmp2 = load <4 x i16>, <4 x i16>* %B
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%tmp3 = call <4 x i16> @llvm.arm.neon.vmaxu.v4i16(<4 x i16> %tmp1, <4 x i16> %tmp2)
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ret <4 x i16> %tmp3
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}
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define <2 x i32> @vmaxu32(<2 x i32>* %A, <2 x i32>* %B) nounwind {
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;CHECK-LABEL: vmaxu32:
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;CHECK: vmax.u32
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%tmp1 = load <2 x i32>, <2 x i32>* %A
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%tmp2 = load <2 x i32>, <2 x i32>* %B
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%tmp3 = call <2 x i32> @llvm.arm.neon.vmaxu.v2i32(<2 x i32> %tmp1, <2 x i32> %tmp2)
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ret <2 x i32> %tmp3
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}
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define <2 x float> @vmaxf32(<2 x float>* %A, <2 x float>* %B) nounwind {
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;CHECK-LABEL: vmaxf32:
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;CHECK: vmax.f32
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%tmp1 = load <2 x float>, <2 x float>* %A
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%tmp2 = load <2 x float>, <2 x float>* %B
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%tmp3 = call <2 x float> @llvm.arm.neon.vmaxs.v2f32(<2 x float> %tmp1, <2 x float> %tmp2)
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ret <2 x float> %tmp3
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}
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define <16 x i8> @vmaxQs8(<16 x i8>* %A, <16 x i8>* %B) nounwind {
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;CHECK-LABEL: vmaxQs8:
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;CHECK: vmax.s8
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%tmp1 = load <16 x i8>, <16 x i8>* %A
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%tmp2 = load <16 x i8>, <16 x i8>* %B
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%tmp3 = call <16 x i8> @llvm.arm.neon.vmaxs.v16i8(<16 x i8> %tmp1, <16 x i8> %tmp2)
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ret <16 x i8> %tmp3
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}
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define <8 x i16> @vmaxQs16(<8 x i16>* %A, <8 x i16>* %B) nounwind {
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;CHECK-LABEL: vmaxQs16:
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;CHECK: vmax.s16
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%tmp1 = load <8 x i16>, <8 x i16>* %A
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%tmp2 = load <8 x i16>, <8 x i16>* %B
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%tmp3 = call <8 x i16> @llvm.arm.neon.vmaxs.v8i16(<8 x i16> %tmp1, <8 x i16> %tmp2)
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ret <8 x i16> %tmp3
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}
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define <4 x i32> @vmaxQs32(<4 x i32>* %A, <4 x i32>* %B) nounwind {
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;CHECK-LABEL: vmaxQs32:
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;CHECK: vmax.s32
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%tmp1 = load <4 x i32>, <4 x i32>* %A
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%tmp2 = load <4 x i32>, <4 x i32>* %B
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%tmp3 = call <4 x i32> @llvm.arm.neon.vmaxs.v4i32(<4 x i32> %tmp1, <4 x i32> %tmp2)
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ret <4 x i32> %tmp3
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}
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define <16 x i8> @vmaxQu8(<16 x i8>* %A, <16 x i8>* %B) nounwind {
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;CHECK-LABEL: vmaxQu8:
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;CHECK: vmax.u8
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%tmp1 = load <16 x i8>, <16 x i8>* %A
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%tmp2 = load <16 x i8>, <16 x i8>* %B
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%tmp3 = call <16 x i8> @llvm.arm.neon.vmaxu.v16i8(<16 x i8> %tmp1, <16 x i8> %tmp2)
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ret <16 x i8> %tmp3
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}
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define <8 x i16> @vmaxQu16(<8 x i16>* %A, <8 x i16>* %B) nounwind {
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;CHECK-LABEL: vmaxQu16:
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;CHECK: vmax.u16
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%tmp1 = load <8 x i16>, <8 x i16>* %A
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%tmp2 = load <8 x i16>, <8 x i16>* %B
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%tmp3 = call <8 x i16> @llvm.arm.neon.vmaxu.v8i16(<8 x i16> %tmp1, <8 x i16> %tmp2)
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ret <8 x i16> %tmp3
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}
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define <4 x i32> @vmaxQu32(<4 x i32>* %A, <4 x i32>* %B) nounwind {
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;CHECK-LABEL: vmaxQu32:
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;CHECK: vmax.u32
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%tmp1 = load <4 x i32>, <4 x i32>* %A
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%tmp2 = load <4 x i32>, <4 x i32>* %B
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%tmp3 = call <4 x i32> @llvm.arm.neon.vmaxu.v4i32(<4 x i32> %tmp1, <4 x i32> %tmp2)
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ret <4 x i32> %tmp3
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}
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define <4 x float> @vmaxQf32(<4 x float>* %A, <4 x float>* %B) nounwind {
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;CHECK-LABEL: vmaxQf32:
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;CHECK: vmax.f32
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%tmp1 = load <4 x float>, <4 x float>* %A
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%tmp2 = load <4 x float>, <4 x float>* %B
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%tmp3 = call <4 x float> @llvm.arm.neon.vmaxs.v4f32(<4 x float> %tmp1, <4 x float> %tmp2)
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ret <4 x float> %tmp3
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}
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declare <8 x i8> @llvm.arm.neon.vmaxs.v8i8(<8 x i8>, <8 x i8>) nounwind readnone
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declare <4 x i16> @llvm.arm.neon.vmaxs.v4i16(<4 x i16>, <4 x i16>) nounwind readnone
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declare <2 x i32> @llvm.arm.neon.vmaxs.v2i32(<2 x i32>, <2 x i32>) nounwind readnone
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declare <8 x i8> @llvm.arm.neon.vmaxu.v8i8(<8 x i8>, <8 x i8>) nounwind readnone
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declare <4 x i16> @llvm.arm.neon.vmaxu.v4i16(<4 x i16>, <4 x i16>) nounwind readnone
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declare <2 x i32> @llvm.arm.neon.vmaxu.v2i32(<2 x i32>, <2 x i32>) nounwind readnone
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declare <2 x float> @llvm.arm.neon.vmaxs.v2f32(<2 x float>, <2 x float>) nounwind readnone
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declare <16 x i8> @llvm.arm.neon.vmaxs.v16i8(<16 x i8>, <16 x i8>) nounwind readnone
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declare <8 x i16> @llvm.arm.neon.vmaxs.v8i16(<8 x i16>, <8 x i16>) nounwind readnone
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declare <4 x i32> @llvm.arm.neon.vmaxs.v4i32(<4 x i32>, <4 x i32>) nounwind readnone
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declare <16 x i8> @llvm.arm.neon.vmaxu.v16i8(<16 x i8>, <16 x i8>) nounwind readnone
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declare <8 x i16> @llvm.arm.neon.vmaxu.v8i16(<8 x i16>, <8 x i16>) nounwind readnone
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declare <4 x i32> @llvm.arm.neon.vmaxu.v4i32(<4 x i32>, <4 x i32>) nounwind readnone
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declare <4 x float> @llvm.arm.neon.vmaxs.v4f32(<4 x float>, <4 x float>) nounwind readnone
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declare float @llvm.maxnum.f32(float %a, float %b)
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declare float @llvm.minnum.f32(float %a, float %b)
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define float @maxnum(float %a, float %b) {
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;CHECK-LABEL: maxnum:
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;CHECK: vmax.f32
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%r = call nnan float @llvm.maxnum.f32(float %a, float %b)
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ret float %r
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}
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define float @minnum(float %a, float %b) {
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;CHECK-LABEL: minnum:
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;CHECK: vmin.f32
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%r = call nnan float @llvm.minnum.f32(float %a, float %b)
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ret float %r
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}
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