AMDGPU/GlobalISel: Define instruction mapping for @llvm.maxnum

Patch by Tom Stellard

llvm-svn: 326567
This commit is contained in:
Matt Arsenault 2018-03-02 12:23:00 +00:00
parent aba98fc92e
commit b46c191c49
2 changed files with 67 additions and 0 deletions

View File

@ -359,6 +359,7 @@ AMDGPURegisterBankInfo::getInstrMapping(const MachineInstr &MI) const {
switch(MI.getOperand(1).getIntrinsicID()) {
default:
return getInvalidInstructionMapping();
case Intrinsic::maxnum:
case Intrinsic::amdgcn_cvt_pkrtz:
return getDefaultMappingVOP(MI);
}

View File

@ -0,0 +1,66 @@
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -global-isel %s -verify-machineinstrs -o - -regbankselect-fast | FileCheck %s
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -global-isel %s -verify-machineinstrs -o - -regbankselect-greedy | FileCheck %s
---
name: maxnum_ss
legalized: true
body: |
bb.0:
liveins: $sgpr0, $sgpr1
; CHECK-LABEL: name: maxnum_ss
; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.maxnum), [[COPY]](s32), [[COPY2]](s32)
%0:_(s32) = COPY $sgpr0
%1:_(s32) = COPY $sgpr1
%2:_(s32) = G_INTRINSIC intrinsic(@llvm.maxnum.f32), %0, %1
...
---
name: maxnum_sv
legalized: true
body: |
bb.0:
liveins: $sgpr0, $vgpr0
; CHECK-LABEL: name: maxnum_sv
; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.maxnum), [[COPY]](s32), [[COPY1]](s32)
%0:_(s32) = COPY $sgpr0
%1:_(s32) = COPY $vgpr0
%2:_(s32) = G_INTRINSIC intrinsic(@llvm.maxnum.f32), %0, %1
...
---
name: maxnum_vs
legalized: true
body: |
bb.0:
liveins: $sgpr0, $vgpr0
; CHECK-LABEL: name: maxnum_vs
; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.maxnum), [[COPY1]](s32), [[COPY2]](s32)
%0:_(s32) = COPY $sgpr0
%1:_(s32) = COPY $vgpr0
%2:_(s32) = G_INTRINSIC intrinsic(@llvm.maxnum.f32), %1, %0
...
---
name: maxnum_vv
legalized: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1
; CHECK-LABEL: name: maxnum_vv
; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
; CHECK: [[INT:%[0-9]+]]:vgpr(s32) = G_INTRINSIC intrinsic(@llvm.maxnum), [[COPY]](s32), [[COPY1]](s32)
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $vgpr1
%2:_(s32) = G_INTRINSIC intrinsic(@llvm.maxnum.f32), %0, %1
...