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AMDGPU/GlobalISel: Fix import of s_abs_i32 pattern
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llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-abs.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py | ||
# RUN: llc -march=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck -check-prefix=GFX6 %s | ||
# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck -check-prefix=GFX9 %s | ||
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--- | ||
name: smax_neg_abs_pattern_s32_ss | ||
legalized: true | ||
regBankSelected: true | ||
tracksRegLiveness: true | ||
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body: | | ||
bb.0: | ||
liveins: $sgpr0 | ||
; GFX6-LABEL: name: smax_neg_abs_pattern_s32_ss | ||
; GFX6: liveins: $sgpr0 | ||
; GFX6: %src0:sreg_32 = COPY $sgpr0 | ||
; GFX6: %smax:sreg_32 = S_ABS_I32 %src0, implicit-def $scc | ||
; GFX6: S_ENDPGM 0, implicit %smax | ||
; GFX9-LABEL: name: smax_neg_abs_pattern_s32_ss | ||
; GFX9: liveins: $sgpr0 | ||
; GFX9: %src0:sreg_32 = COPY $sgpr0 | ||
; GFX9: %smax:sreg_32 = S_ABS_I32 %src0, implicit-def $scc | ||
; GFX9: S_ENDPGM 0, implicit %smax | ||
%src0:sgpr(s32) = COPY $sgpr0 | ||
%zero:sgpr(s32) = G_CONSTANT i32 0 | ||
%ineg:sgpr(s32) = G_SUB %zero, %src0 | ||
%smax:sgpr(s32) = G_SMAX %src0, %ineg | ||
S_ENDPGM 0, implicit %smax | ||
... | ||
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--- | ||
name: smax_neg_abs_pattern_s32_ss_commute | ||
legalized: true | ||
regBankSelected: true | ||
tracksRegLiveness: true | ||
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body: | | ||
bb.0: | ||
liveins: $sgpr0 | ||
; GFX6-LABEL: name: smax_neg_abs_pattern_s32_ss_commute | ||
; GFX6: liveins: $sgpr0 | ||
; GFX6: %src0:sreg_32 = COPY $sgpr0 | ||
; GFX6: %smax:sreg_32 = S_ABS_I32 %src0, implicit-def $scc | ||
; GFX6: S_ENDPGM 0, implicit %smax | ||
; GFX9-LABEL: name: smax_neg_abs_pattern_s32_ss_commute | ||
; GFX9: liveins: $sgpr0 | ||
; GFX9: %src0:sreg_32 = COPY $sgpr0 | ||
; GFX9: %smax:sreg_32 = S_ABS_I32 %src0, implicit-def $scc | ||
; GFX9: S_ENDPGM 0, implicit %smax | ||
%src0:sgpr(s32) = COPY $sgpr0 | ||
%zero:sgpr(s32) = G_CONSTANT i32 0 | ||
%ineg:sgpr(s32) = G_SUB %zero, %src0 | ||
%smax:sgpr(s32) = G_SMAX %ineg, %src0 | ||
S_ENDPGM 0, implicit %smax | ||
... | ||
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--- | ||
name: smax_neg_abs_pattern_s32_vv | ||
legalized: true | ||
regBankSelected: true | ||
tracksRegLiveness: true | ||
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body: | | ||
bb.0: | ||
liveins: $vgpr0 | ||
; GFX6-LABEL: name: smax_neg_abs_pattern_s32_vv | ||
; GFX6: liveins: $vgpr0 | ||
; GFX6: %src0:vgpr_32 = COPY $vgpr0 | ||
; GFX6: %zero:vgpr_32 = V_MOV_B32_e32 0, implicit $exec | ||
; GFX6: %ineg:vgpr_32, dead %4:sreg_64_xexec = V_SUB_I32_e64 %zero, %src0, 0, implicit $exec | ||
; GFX6: %smax:vgpr_32 = V_MAX_I32_e64 %src0, %ineg, implicit $exec | ||
; GFX6: S_ENDPGM 0, implicit %smax | ||
; GFX9-LABEL: name: smax_neg_abs_pattern_s32_vv | ||
; GFX9: liveins: $vgpr0 | ||
; GFX9: %src0:vgpr_32 = COPY $vgpr0 | ||
; GFX9: %zero:vgpr_32 = V_MOV_B32_e32 0, implicit $exec | ||
; GFX9: %ineg:vgpr_32 = V_SUB_U32_e64 %zero, %src0, 0, implicit $exec | ||
; GFX9: %smax:vgpr_32 = V_MAX_I32_e64 %src0, %ineg, implicit $exec | ||
; GFX9: S_ENDPGM 0, implicit %smax | ||
%src0:vgpr(s32) = COPY $vgpr0 | ||
%zero:vgpr(s32) = G_CONSTANT i32 0 | ||
%ineg:vgpr(s32) = G_SUB %zero, %src0 | ||
%smax:vgpr(s32) = G_SMAX %src0, %ineg | ||
S_ENDPGM 0, implicit %smax | ||
... | ||
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# FIXME: Violates constant bus restriction | ||
# --- | ||
# name: smax_neg_abs_pattern_s32_vs | ||
# legalized: true | ||
# regBankSelected: true | ||
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# body: | | ||
# bb.0: | ||
# liveins: $sgpr0 | ||
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# %src0:sgpr(s32) = COPY $sgpr0 | ||
# %zero:sgpr(s32) = G_CONSTANT i32 0 | ||
# %ineg:sgpr(s32) = G_SUB %zero, %src0 | ||
# %smax:vgpr(s32) = G_SMAX %src0, %ineg | ||
# S_ENDPGM 0, implicit %smax | ||
# ... |