llvmorg-github-actions[bot] wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-backend-amdgpu Author: Domenic Nutile (saxlungs) <details> <summary>Changes</summary> Pre-commit tests for the case where SCC is live into a frame index user and no SGPR is free to hold the V_READFIRSTLANE_B32 result. Scavenging one emergency-spills an SGPR, and an SGPR spill flips EXEC with S_NOT_B64, so the EXEC flips land between the S_CMP_EQ_U32 that defines SCC and the read of SCC that follows, clobbering it in between. --- <sub>Stack created with <a href="https://github.com/github/gh-stack">GitHub Stacks CLI</a> • <a href="https://gh.io/stacks-feedback">Give Feedback 💬</a></sub> --- Full diff: https://github.com/llvm/llvm-project/pull/225196.diff 1 Files Affected: - (modified) llvm/test/CodeGen/AMDGPU/sgpr-spill-to-vmem-scc-clobber-reserved-exec-copy.mir (+153) ``````````diff diff --git a/llvm/test/CodeGen/AMDGPU/sgpr-spill-to-vmem-scc-clobber-reserved-exec-copy.mir b/llvm/test/CodeGen/AMDGPU/sgpr-spill-to-vmem-scc-clobber-reserved-exec-copy.mir index 5ea0cbfbebab7..68c0c63e14fac 100644 --- a/llvm/test/CodeGen/AMDGPU/sgpr-spill-to-vmem-scc-clobber-reserved-exec-copy.mir +++ b/llvm/test/CodeGen/AMDGPU/sgpr-spill-to-vmem-scc-clobber-reserved-exec-copy.mir @@ -166,3 +166,156 @@ body: | S_ENDPGM 0, implicit $vcc ... + +--- +# SCC is live *into* the scalar frame index user: S_CMP_EQ_U32 produces it and +# S_CSELECT_B32 reads it. With no SGPR free to hold the V_READFIRSTLANE_B32 +# result, scavenging one emergency-spills, and an SGPR spill flips EXEC with +# S_NOT_B64. Those EXEC flips land between the S_CMP_EQ_U32 and the +# S_CSELECT_B32 and clobber the SCC in between, which is wrong. +name: scc_live_into_scalar_frame_index_no_free_sgpr +tracksRegLiveness: true +stack: + - { id: 0, size: 64, alignment: 4 } + - { id: 1, size: 64, alignment: 4 } +machineFunctionInfo: + isEntryFunction: false + scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3' + frameOffsetReg: '$sgpr33' + stackPtrOffsetReg: '$sgpr32' + sgprForEXECCopy: '$sgpr100_sgpr101' + occupancy: 2 +body: | + ; CHECK-LABEL: name: scc_live_into_scalar_frame_index_no_free_sgpr + ; CHECK: bb.0: + ; CHECK-NEXT: successors: %bb.1(0x80000000) + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: frame-setup CFI_INSTRUCTION llvm_def_aspace_cfa $sgpr32, 0, 6 + ; CHECK-NEXT: frame-setup CFI_INSTRUCTION llvm_register_pair $pc_reg, $sgpr30, 32, $sgpr31, 32 + ; CHECK-NEXT: S_BRANCH %bb.1 + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: bb.1: + ; CHECK-NEXT: successors: %bb.2(0x80000000) + ; CHECK-NEXT: liveins: $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19, $sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31_sgpr32_sgpr33_sgpr34_sgpr35, $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51, $sgpr52_sgpr53_sgpr54_sgpr55_sgpr56_sgpr57_sgpr58_sgpr59_sgpr60_sgpr61_sgpr62_sgpr63_sgpr64_sgpr65_sgpr66_sgpr67, $sgpr68_sgpr69_sgpr70_sgpr71_sgpr72_sgpr73_sgpr74_sgpr75_sgpr76_sgpr77_sgpr78_sgpr79_sgpr80_sgpr81_sgpr82_sgpr83, $sgpr84_sgpr85_sgpr86_sgpr87_sgpr88_sgpr89_sgpr90_sgpr91_sgpr92_sgpr93_sgpr94_sgpr95, $sgpr96_sgpr97_sgpr98_sgpr99, $vcc + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: S_CMP_EQ_U32 renamable $sgpr96, 0, implicit-def $scc + ; CHECK-NEXT: $exec = S_NOT_B64 $exec, implicit-def dead $scc, implicit-def $vgpr1 + ; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET killed $vgpr1, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 128, 0, 0, implicit $exec :: ("amdgpu-thread-private" store (s32) into %stack.2, addrspace 5) + ; CHECK-NEXT: $vgpr1 = SI_SPILL_S32_TO_VGPR killed $sgpr4, 0, undef $vgpr1 + ; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr1, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 128, 0, 0, implicit $exec :: ("amdgpu-thread-private" store (s32) into %stack.2, addrspace 5) + ; CHECK-NEXT: $exec = S_NOT_B64 $exec, implicit-def dead $scc + ; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET killed $vgpr1, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 128, 0, 0, implicit $exec :: ("amdgpu-thread-private" store (s32) into %stack.2, addrspace 5) + ; CHECK-NEXT: $exec = S_NOT_B64 $exec, implicit-def dead $scc + ; CHECK-NEXT: $vgpr1 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 128, 0, 0, implicit $exec :: ("amdgpu-thread-private" load (s32) from %stack.2, addrspace 5) + ; CHECK-NEXT: $exec = S_NOT_B64 $exec, implicit-def dead $scc, implicit killed $vgpr1 + ; CHECK-NEXT: $vgpr0 = V_LSHRREV_B32_e64 6, $sgpr32, implicit $exec + ; CHECK-NEXT: $sgpr4 = V_READFIRSTLANE_B32 $vgpr0, implicit $exec + ; CHECK-NEXT: renamable $vcc_lo = S_CSELECT_B32 killed $sgpr4, renamable $sgpr97, implicit $scc + ; CHECK-NEXT: $exec = S_NOT_B64 $exec, implicit-def dead $scc, implicit-def $vgpr0 + ; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET killed $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 128, 0, 0, implicit $exec :: ("amdgpu-thread-private" store (s32) into %stack.2, addrspace 5) + ; CHECK-NEXT: $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 128, 0, 0, implicit $exec :: ("amdgpu-thread-private" load (s32) from %stack.2, addrspace 5) + ; CHECK-NEXT: $exec = S_NOT_B64 $exec, implicit-def dead $scc + ; CHECK-NEXT: $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 128, 0, 0, implicit $exec :: ("amdgpu-thread-private" load (s32) from %stack.2, addrspace 5) + ; CHECK-NEXT: $exec = S_NOT_B64 $exec, implicit-def dead $scc + ; CHECK-NEXT: $sgpr4 = SI_RESTORE_S32_FROM_VGPR killed $vgpr0, 0 + ; CHECK-NEXT: $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 128, 0, 0, implicit $exec :: ("amdgpu-thread-private" load (s32) from %stack.2, addrspace 5) + ; CHECK-NEXT: $exec = S_NOT_B64 $exec, implicit-def dead $scc, implicit killed $vgpr0 + ; CHECK-NEXT: S_NOP 0, implicit killed $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19, implicit killed $sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31_sgpr32_sgpr33_sgpr34_sgpr35, implicit killed $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51, implicit killed $sgpr52_sgpr53_sgpr54_sgpr55_sgpr56_sgpr57_sgpr58_sgpr59_sgpr60_sgpr61_sgpr62_sgpr63_sgpr64_sgpr65_sgpr66_sgpr67, implicit killed $sgpr68_sgpr69_sgpr70_sgpr71_sgpr72_sgpr73_sgpr74_sgpr75_sgpr76_sgpr77_sgpr78_sgpr79_sgpr80_sgpr81_sgpr82_sgpr83, implicit killed $sgpr84_sgpr85_sgpr86_sgpr87_sgpr88_sgpr89_sgpr90_sgpr91_sgpr92_sgpr93_sgpr94_sgpr95, implicit killed $sgpr96_sgpr97_sgpr98_sgpr99 + ; CHECK-NEXT: S_BRANCH %bb.2 + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: bb.2: + ; CHECK-NEXT: liveins: $vcc + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: S_ENDPGM 0, implicit $vcc + bb.0: + S_BRANCH %bb.1 + + bb.1: + liveins: $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19, $sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31_sgpr32_sgpr33_sgpr34_sgpr35, $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51, $sgpr52_sgpr53_sgpr54_sgpr55_sgpr56_sgpr57_sgpr58_sgpr59_sgpr60_sgpr61_sgpr62_sgpr63_sgpr64_sgpr65_sgpr66_sgpr67, $sgpr68_sgpr69_sgpr70_sgpr71_sgpr72_sgpr73_sgpr74_sgpr75_sgpr76_sgpr77_sgpr78_sgpr79_sgpr80_sgpr81_sgpr82_sgpr83, $sgpr84_sgpr85_sgpr86_sgpr87_sgpr88_sgpr89_sgpr90_sgpr91_sgpr92_sgpr93_sgpr94_sgpr95, $sgpr96_sgpr97_sgpr98_sgpr99, $vcc + + S_CMP_EQ_U32 renamable $sgpr96, 0, implicit-def $scc + renamable $vcc_lo = S_CSELECT_B32 %stack.0, renamable $sgpr97, implicit $scc + S_NOP 0, implicit killed $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19, implicit killed $sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31_sgpr32_sgpr33_sgpr34_sgpr35, implicit killed $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51, implicit killed $sgpr52_sgpr53_sgpr54_sgpr55_sgpr56_sgpr57_sgpr58_sgpr59_sgpr60_sgpr61_sgpr62_sgpr63_sgpr64_sgpr65_sgpr66_sgpr67, implicit killed $sgpr68_sgpr69_sgpr70_sgpr71_sgpr72_sgpr73_sgpr74_sgpr75_sgpr76_sgpr77_sgpr78_sgpr79_sgpr80_sgpr81_sgpr82_sgpr83, implicit killed $sgpr84_sgpr85_sgpr86_sgpr87_sgpr88_sgpr89_sgpr90_sgpr91_sgpr92_sgpr93_sgpr94_sgpr95, implicit killed $sgpr96_sgpr97_sgpr98_sgpr99 + S_BRANCH %bb.2 + + bb.2: + liveins: $vcc + + S_ENDPGM 0, implicit $vcc +... + +--- +# As above, but with a non-zero offset and with SCC dead after the frame index +# user: S_CSELECT_B32 is its last read. The emergency spill clobbers SCC before +# that read here too. +name: scc_live_into_dead_after_scalar_frame_index_no_free_sgpr_nonzero_offset +tracksRegLiveness: true +stack: + - { id: 0, size: 64, alignment: 4 } + - { id: 1, size: 64, alignment: 4 } +machineFunctionInfo: + isEntryFunction: false + scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3' + frameOffsetReg: '$sgpr33' + stackPtrOffsetReg: '$sgpr32' + sgprForEXECCopy: '$sgpr100_sgpr101' + occupancy: 2 +body: | + ; CHECK-LABEL: name: scc_live_into_dead_after_scalar_frame_index_no_free_sgpr_nonzero_offset + ; CHECK: bb.0: + ; CHECK-NEXT: successors: %bb.1(0x80000000) + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: frame-setup CFI_INSTRUCTION llvm_def_aspace_cfa $sgpr32, 0, 6 + ; CHECK-NEXT: frame-setup CFI_INSTRUCTION llvm_register_pair $pc_reg, $sgpr30, 32, $sgpr31, 32 + ; CHECK-NEXT: S_BRANCH %bb.1 + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: bb.1: + ; CHECK-NEXT: successors: %bb.2(0x80000000) + ; CHECK-NEXT: liveins: $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19, $sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31_sgpr32_sgpr33_sgpr34_sgpr35, $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51, $sgpr52_sgpr53_sgpr54_sgpr55_sgpr56_sgpr57_sgpr58_sgpr59_sgpr60_sgpr61_sgpr62_sgpr63_sgpr64_sgpr65_sgpr66_sgpr67, $sgpr68_sgpr69_sgpr70_sgpr71_sgpr72_sgpr73_sgpr74_sgpr75_sgpr76_sgpr77_sgpr78_sgpr79_sgpr80_sgpr81_sgpr82_sgpr83, $sgpr84_sgpr85_sgpr86_sgpr87_sgpr88_sgpr89_sgpr90_sgpr91_sgpr92_sgpr93_sgpr94_sgpr95, $sgpr96_sgpr97_sgpr98_sgpr99, $vcc + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: S_CMP_EQ_U32 renamable $sgpr96, 0, implicit-def $scc + ; CHECK-NEXT: $vgpr0 = V_LSHRREV_B32_e64 6, $sgpr32, implicit $exec + ; CHECK-NEXT: $exec = S_NOT_B64 $exec, implicit-def dead $scc, implicit-def $vgpr1 + ; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET killed $vgpr1, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 128, 0, 0, implicit $exec :: ("amdgpu-thread-private" store (s32) into %stack.2, addrspace 5) + ; CHECK-NEXT: $vgpr1 = SI_SPILL_S32_TO_VGPR killed $sgpr4, 0, undef $vgpr1 + ; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr1, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 128, 0, 0, implicit $exec :: ("amdgpu-thread-private" store (s32) into %stack.2, addrspace 5) + ; CHECK-NEXT: $exec = S_NOT_B64 $exec, implicit-def dead $scc + ; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET killed $vgpr1, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 128, 0, 0, implicit $exec :: ("amdgpu-thread-private" store (s32) into %stack.2, addrspace 5) + ; CHECK-NEXT: $exec = S_NOT_B64 $exec, implicit-def dead $scc + ; CHECK-NEXT: $vgpr1 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 128, 0, 0, implicit $exec :: ("amdgpu-thread-private" load (s32) from %stack.2, addrspace 5) + ; CHECK-NEXT: $exec = S_NOT_B64 $exec, implicit-def dead $scc, implicit killed $vgpr1 + ; CHECK-NEXT: $vgpr0 = V_ADD_U32_e32 64, killed $vgpr0, implicit $exec + ; CHECK-NEXT: $sgpr4 = V_READFIRSTLANE_B32 $vgpr0, implicit $exec + ; CHECK-NEXT: renamable $vcc_lo = S_CSELECT_B32 killed $sgpr4, renamable $sgpr97, implicit $scc + ; CHECK-NEXT: $exec = S_NOT_B64 $exec, implicit-def dead $scc, implicit-def $vgpr0 + ; CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET killed $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 128, 0, 0, implicit $exec :: ("amdgpu-thread-private" store (s32) into %stack.2, addrspace 5) + ; CHECK-NEXT: $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 128, 0, 0, implicit $exec :: ("amdgpu-thread-private" load (s32) from %stack.2, addrspace 5) + ; CHECK-NEXT: $exec = S_NOT_B64 $exec, implicit-def dead $scc + ; CHECK-NEXT: $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 128, 0, 0, implicit $exec :: ("amdgpu-thread-private" load (s32) from %stack.2, addrspace 5) + ; CHECK-NEXT: $exec = S_NOT_B64 $exec, implicit-def dead $scc + ; CHECK-NEXT: $sgpr4 = SI_RESTORE_S32_FROM_VGPR killed $vgpr0, 0 + ; CHECK-NEXT: $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr32, 128, 0, 0, implicit $exec :: ("amdgpu-thread-private" load (s32) from %stack.2, addrspace 5) + ; CHECK-NEXT: $exec = S_NOT_B64 $exec, implicit-def dead $scc, implicit killed $vgpr0 + ; CHECK-NEXT: S_NOP 0, implicit killed $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19, implicit killed $sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31_sgpr32_sgpr33_sgpr34_sgpr35, implicit killed $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51, implicit killed $sgpr52_sgpr53_sgpr54_sgpr55_sgpr56_sgpr57_sgpr58_sgpr59_sgpr60_sgpr61_sgpr62_sgpr63_sgpr64_sgpr65_sgpr66_sgpr67, implicit killed $sgpr68_sgpr69_sgpr70_sgpr71_sgpr72_sgpr73_sgpr74_sgpr75_sgpr76_sgpr77_sgpr78_sgpr79_sgpr80_sgpr81_sgpr82_sgpr83, implicit killed $sgpr84_sgpr85_sgpr86_sgpr87_sgpr88_sgpr89_sgpr90_sgpr91_sgpr92_sgpr93_sgpr94_sgpr95, implicit killed $sgpr96_sgpr97_sgpr98_sgpr99 + ; CHECK-NEXT: S_BRANCH %bb.2 + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: bb.2: + ; CHECK-NEXT: liveins: $vcc + ; CHECK-NEXT: {{ $}} + ; CHECK-NEXT: S_ENDPGM 0, implicit $vcc + bb.0: + S_BRANCH %bb.1 + + bb.1: + liveins: $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19, $sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31_sgpr32_sgpr33_sgpr34_sgpr35, $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51, $sgpr52_sgpr53_sgpr54_sgpr55_sgpr56_sgpr57_sgpr58_sgpr59_sgpr60_sgpr61_sgpr62_sgpr63_sgpr64_sgpr65_sgpr66_sgpr67, $sgpr68_sgpr69_sgpr70_sgpr71_sgpr72_sgpr73_sgpr74_sgpr75_sgpr76_sgpr77_sgpr78_sgpr79_sgpr80_sgpr81_sgpr82_sgpr83, $sgpr84_sgpr85_sgpr86_sgpr87_sgpr88_sgpr89_sgpr90_sgpr91_sgpr92_sgpr93_sgpr94_sgpr95, $sgpr96_sgpr97_sgpr98_sgpr99, $vcc + + S_CMP_EQ_U32 renamable $sgpr96, 0, implicit-def $scc + renamable $vcc_lo = S_CSELECT_B32 %stack.1, renamable $sgpr97, implicit $scc + S_NOP 0, implicit killed $sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19, implicit killed $sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31_sgpr32_sgpr33_sgpr34_sgpr35, implicit killed $sgpr36_sgpr37_sgpr38_sgpr39_sgpr40_sgpr41_sgpr42_sgpr43_sgpr44_sgpr45_sgpr46_sgpr47_sgpr48_sgpr49_sgpr50_sgpr51, implicit killed $sgpr52_sgpr53_sgpr54_sgpr55_sgpr56_sgpr57_sgpr58_sgpr59_sgpr60_sgpr61_sgpr62_sgpr63_sgpr64_sgpr65_sgpr66_sgpr67, implicit killed $sgpr68_sgpr69_sgpr70_sgpr71_sgpr72_sgpr73_sgpr74_sgpr75_sgpr76_sgpr77_sgpr78_sgpr79_sgpr80_sgpr81_sgpr82_sgpr83, implicit killed $sgpr84_sgpr85_sgpr86_sgpr87_sgpr88_sgpr89_sgpr90_sgpr91_sgpr92_sgpr93_sgpr94_sgpr95, implicit killed $sgpr96_sgpr97_sgpr98_sgpr99 + S_BRANCH %bb.2 + + bb.2: + liveins: $vcc + + S_ENDPGM 0, implicit $vcc +... `````````` </details> https://github.com/llvm/llvm-project/pull/225196 _______________________________________________ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
