168228d76a
Note, only src0 and src1 will be commuted if the isCommutable flag
is set. This patch does not change that, it just makes it possible
to commute src0 and src1 of some U/I/B vop3 instructions.
This patch revises d35d8da7d6.
It contains the commute opportunities excluding float insts
Reviewed By: rampitec
Differential Revision: https://reviews.llvm.org/D101474
Change-Id: I62938173d750453839f2457a3851661a29135faf
58 lines
3.7 KiB
YAML
58 lines
3.7 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -run-pass=machine-cse -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -o - %s | FileCheck -check-prefix=GFX9 %s
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# RUN: llc -run-pass=machine-cse -march=amdgcn -mcpu=gfx1010 -verify-machineinstrs -o - %s | FileCheck -check-prefix=GFX10 %s
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---
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name: commute_vop3
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $vgpr0, $vgpr1, $vgpr2
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; GFX9-LABEL: name: commute_vop3
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; GFX9: liveins: $vgpr0, $vgpr1, $vgpr2
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; GFX9: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
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; GFX9: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
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; GFX9: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
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; GFX9: [[V_XOR3_B32_e64_:%[0-9]+]]:vgpr_32 = V_XOR3_B32_e64 [[COPY]], [[COPY1]], [[COPY2]], implicit $exec
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; GFX9: [[V_MED3_F16_e64_:%[0-9]+]]:vgpr_32 = V_MED3_F16_e64 0, [[COPY]], 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $mode, implicit $exec
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; GFX9: [[V_MED3_F16_e64_1:%[0-9]+]]:vgpr_32 = V_MED3_F16_e64 0, [[COPY1]], 0, [[COPY]], 0, [[COPY2]], 0, 0, implicit $mode, implicit $exec
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; GFX9: [[V_MAX3_I32_e64_:%[0-9]+]]:vgpr_32 = V_MAX3_I32_e64 [[COPY]], [[COPY1]], [[COPY2]], implicit $exec
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; GFX9: [[V_SAD_HI_U8_e64_:%[0-9]+]]:vgpr_32 = V_SAD_HI_U8_e64 [[COPY]], [[COPY1]], [[COPY2]], 0, implicit $exec
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; GFX9: [[V_XAD_U32_e64_:%[0-9]+]]:vgpr_32 = V_XAD_U32_e64 [[COPY]], [[COPY1]], 0, implicit $exec
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; GFX9: [[V_SUB_I32_e64_:%[0-9]+]]:vgpr_32 = V_SUB_I32_e64 [[COPY]], [[COPY1]], 0, implicit $exec
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; GFX9: [[V_SUB_I32_e64_1:%[0-9]+]]:vgpr_32 = V_SUB_I32_e64 [[COPY1]], [[COPY]], 0, implicit $exec
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; GFX10-LABEL: name: commute_vop3
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; GFX10: liveins: $vgpr0, $vgpr1, $vgpr2
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; GFX10: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
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; GFX10: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
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; GFX10: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
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; GFX10: [[V_XOR3_B32_e64_:%[0-9]+]]:vgpr_32 = V_XOR3_B32_e64 [[COPY]], [[COPY1]], [[COPY2]], implicit $exec
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; GFX10: [[V_MED3_F16_e64_:%[0-9]+]]:vgpr_32 = V_MED3_F16_e64 0, [[COPY]], 0, [[COPY1]], 0, [[COPY2]], 0, 0, implicit $mode, implicit $exec
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; GFX10: [[V_MED3_F16_e64_1:%[0-9]+]]:vgpr_32 = V_MED3_F16_e64 0, [[COPY1]], 0, [[COPY]], 0, [[COPY2]], 0, 0, implicit $mode, implicit $exec
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; GFX10: [[V_MAX3_I32_e64_:%[0-9]+]]:vgpr_32 = V_MAX3_I32_e64 [[COPY]], [[COPY1]], [[COPY2]], implicit $exec
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; GFX10: [[V_SAD_HI_U8_e64_:%[0-9]+]]:vgpr_32 = V_SAD_HI_U8_e64 [[COPY]], [[COPY1]], [[COPY2]], 0, implicit $exec
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; GFX10: [[V_XAD_U32_e64_:%[0-9]+]]:vgpr_32 = V_XAD_U32_e64 [[COPY]], [[COPY1]], 0, implicit $exec
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; GFX10: [[V_SUB_I32_e64_:%[0-9]+]]:vgpr_32 = V_SUB_I32_e64 [[COPY]], [[COPY1]], 0, implicit $exec
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; GFX10: [[V_SUB_I32_e64_1:%[0-9]+]]:vgpr_32 = V_SUB_I32_e64 [[COPY1]], [[COPY]], 0, implicit $exec
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%0:vgpr_32 = COPY $vgpr0
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%1:vgpr_32 = COPY $vgpr1
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%2:vgpr_32 = COPY $vgpr2
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%3:vgpr_32 = V_XOR3_B32_e64 %0, %1, %2, implicit $exec
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%4:vgpr_32 = V_XOR3_B32_e64 %1, %0, %2, implicit $exec
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; Insts with MayRaiseFPException do not get CSE
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%5:vgpr_32 = V_MED3_F16_e64 0, %0, 0, %1, 0, %2, 0, 0, implicit $mode, implicit $exec
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%6:vgpr_32 = V_MED3_F16_e64 0, %1, 0, %0, 0, %2, 0, 0, implicit $mode, implicit $exec
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%7:vgpr_32 = V_MAX3_I32_e64 %0, %1, %2, implicit $exec
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%8:vgpr_32 = V_MAX3_I32_e64 %1, %0, %2, implicit $exec
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%11:vgpr_32 = V_SAD_HI_U8_e64 %0, %1, %2, 0, implicit $exec
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%12:vgpr_32 = V_SAD_HI_U8_e64 %1, %0, %2, 0, implicit $exec
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%13:vgpr_32 = V_XAD_U32_e64 %0, %1, 0, implicit $exec
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%14:vgpr_32 = V_XAD_U32_e64 %1, %0, 0, implicit $exec
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; Sub should not be commuted
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%15:vgpr_32 = V_SUB_I32_e64 %0, %1, 0, implicit $exec
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%16:vgpr_32 = V_SUB_I32_e64 %1, %0, 0, implicit $exec
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...
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