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[AMDGPU] Presubmit test: max register pressure on defs. (#74424)
Upcoming patch #74422.
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‎llvm/test/CodeGen/AMDGPU/regpressure_printer.mir

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
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# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 --filetype=null --run-pass=amdgpu-print-rp %s 2>&1 >/dev/null | FileCheck %s --check-prefix=RP --check-prefix=RPU
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# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 --filetype=null --run-pass=amdgpu-print-rp -amdgpu-print-rp-downward %s 2>&1 >/dev/null | FileCheck %s --check-prefix=RP --check-prefix=RPD
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# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 --filetype=null -verify-machineinstrs --run-pass=amdgpu-print-rp %s 2>&1 >/dev/null | FileCheck %s --check-prefix=RP --check-prefix=RPU
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# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 --filetype=null -verify-machineinstrs --run-pass=amdgpu-print-rp -amdgpu-print-rp-downward %s 2>&1 >/dev/null | FileCheck %s --check-prefix=RP --check-prefix=RPD
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---
@@ -666,3 +666,114 @@ body: |
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EXP_DONE 0, %49:vgpr_32, undef %51:vgpr_32, undef %53:vgpr_32, undef %55:vgpr_32, -1, 0, 1, implicit $exec
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S_ENDPGM 0
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...
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---
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name: test_partially_used_def
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $sgpr0_sgpr1_sgpr2_sgpr3
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; RPU-LABEL: name: test_partially_used_def
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; RPU: Live-in:
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; RPU-NEXT: SGPR VGPR
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; RPU-NEXT: 0 0
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; RPU-NEXT: 4 0 %0:sgpr_128 = COPY $sgpr0_sgpr1_sgpr2_sgpr3
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; RPU-NEXT: 4 0
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; RPU-NEXT: 4 0 %1:sgpr_128 = COPY %0:sgpr_128
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; RPU-NEXT: 1 0
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; RPU-NEXT: 1 0 S_NOP 0, implicit %1.sub1:sgpr_128
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; RPU-NEXT: 0 0
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; RPU-NEXT: Live-out:
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; RPU-NEXT: Live-thr:
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; RPU-NEXT: 0 0
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;
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; RPD-LABEL: name: test_partially_used_def
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; RPD: Live-in:
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; RPD-NEXT: SGPR VGPR
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; RPD-NEXT: 0 0
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; RPD-NEXT: 4 0 %0:sgpr_128 = COPY $sgpr0_sgpr1_sgpr2_sgpr3
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; RPD-NEXT: 4 0
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; RPD-NEXT: 8 0 %1:sgpr_128 = COPY %0:sgpr_128
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; RPD-NEXT: 1 0
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; RPD-NEXT: 1 0 S_NOP 0, implicit %1.sub1:sgpr_128
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; RPD-NEXT: 0 0
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; RPD-NEXT: Live-out:
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; RPD-NEXT: Live-thr:
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; RPD-NEXT: 0 0
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%0:sgpr_128 = COPY $sgpr0_sgpr1_sgpr2_sgpr3
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%1:sgpr_128 = COPY %0:sgpr_128
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S_NOP 0, implicit %1.sub1
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...
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---
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name: test_partially_used_early_clobber_def
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $sgpr0_sgpr1_sgpr2_sgpr3
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; RPU-LABEL: name: test_partially_used_early_clobber_def
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; RPU: Live-in:
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; RPU-NEXT: SGPR VGPR
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; RPU-NEXT: 0 0
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; RPU-NEXT: 4 0 %0:sgpr_128 = COPY $sgpr0_sgpr1_sgpr2_sgpr3
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; RPU-NEXT: 4 0
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; RPU-NEXT: 5 0 early-clobber %1:sgpr_128 = COPY %0:sgpr_128
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; RPU-NEXT: 1 0
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; RPU-NEXT: 1 0 S_NOP 0, implicit %1.sub1:sgpr_128
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; RPU-NEXT: 0 0
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; RPU-NEXT: Live-out:
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; RPU-NEXT: Live-thr:
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; RPU-NEXT: 0 0
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;
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; RPD-LABEL: name: test_partially_used_early_clobber_def
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; RPD: Live-in:
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; RPD-NEXT: SGPR VGPR
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; RPD-NEXT: 0 0
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; RPD-NEXT: 4 0 %0:sgpr_128 = COPY $sgpr0_sgpr1_sgpr2_sgpr3
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; RPD-NEXT: 4 0
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; RPD-NEXT: 8 0 early-clobber %1:sgpr_128 = COPY %0:sgpr_128
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; RPD-NEXT: 1 0
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; RPD-NEXT: 1 0 S_NOP 0, implicit %1.sub1:sgpr_128
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; RPD-NEXT: 0 0
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; RPD-NEXT: Live-out:
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; RPD-NEXT: Live-thr:
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; RPD-NEXT: 0 0
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%0:sgpr_128 = COPY $sgpr0_sgpr1_sgpr2_sgpr3
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early-clobber %1:sgpr_128 = COPY %0:sgpr_128
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S_NOP 0, implicit %1.sub1
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...
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---
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name: test_partially_used_def_and_early_clobber_def
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $sgpr0_sgpr1_sgpr2_sgpr3
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; RPU-LABEL: name: test_partially_used_def_and_early_clobber_def
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; RPU: Live-in:
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; RPU-NEXT: SGPR VGPR
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; RPU-NEXT: 0 0
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; RPU-NEXT: 4 0 %0:sgpr_128 = COPY $sgpr0_sgpr1_sgpr2_sgpr3
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; RPU-NEXT: 4 0
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; RPU-NEXT: 7 0 %1:sgpr_128 = COPY %0:sgpr_128, implicit-def %2:sgpr_128, implicit-def early-clobber %3:sgpr_128, implicit-def dead early-clobber %4:sgpr_128
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; RPU-NEXT: 6 0
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; RPU-NEXT: 6 0 S_NOP 0, implicit %1.sub1:sgpr_128, implicit %2.sub0_sub1:sgpr_128, implicit %3.sub0_sub1_sub2:sgpr_128
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; RPU-NEXT: 0 0
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; RPU-NEXT: Live-out:
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; RPU-NEXT: Live-thr:
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; RPU-NEXT: 0 0
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;
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; RPD-LABEL: name: test_partially_used_def_and_early_clobber_def
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; RPD: Live-in:
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; RPD-NEXT: SGPR VGPR
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; RPD-NEXT: 0 0
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; RPD-NEXT: 4 0 %0:sgpr_128 = COPY $sgpr0_sgpr1_sgpr2_sgpr3
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; RPD-NEXT: 4 0
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; RPD-NEXT: 20 0 %1:sgpr_128 = COPY %0:sgpr_128, implicit-def %2:sgpr_128, implicit-def early-clobber %3:sgpr_128, implicit-def dead early-clobber %4:sgpr_128
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; RPD-NEXT: 6 0
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; RPD-NEXT: 6 0 S_NOP 0, implicit %1.sub1:sgpr_128, implicit %2.sub0_sub1:sgpr_128, implicit %3.sub0_sub1_sub2:sgpr_128
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; RPD-NEXT: 0 0
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; RPD-NEXT: Live-out:
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; RPD-NEXT: Live-thr:
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; RPD-NEXT: 0 0
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%0:sgpr_128 = COPY $sgpr0_sgpr1_sgpr2_sgpr3
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%1:sgpr_128 = COPY %0:sgpr_128, implicit-def %2:sgpr_128, implicit-def early-clobber %3:sgpr_128, implicit-def early-clobber %4:sgpr_128
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S_NOP 0, implicit %1.sub1, implicit %2.sub0_sub1, implicit %3.sub0_sub1_sub2
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...

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