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52 lines
2.1 KiB
52 lines
2.1 KiB
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -march=amdgcn -mcpu=fiji -verify-machineinstrs -run-pass=si-optimize-exec-masking -o - %s | FileCheck %s
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# Make sure we can still optimize writes to exec when there are
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# additional terminators after the exec write. This can happen with
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# phi users of control flow intrinsics.
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---
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name: instructions_after_copy_to_exec
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tracksRegLiveness: true
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body: |
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; CHECK-LABEL: name: instructions_after_copy_to_exec
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; CHECK: bb.0:
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; CHECK: successors: %bb.2(0x40000000), %bb.1(0x40000000)
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; CHECK: liveins: $vgpr0
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; CHECK: renamable $vgpr1 = V_MOV_B32_e32 0, implicit $exec
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; CHECK: renamable $vcc = V_CMP_EQ_U32_e64 0, killed $vgpr0, implicit $exec
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; CHECK: $sgpr0_sgpr1 = S_AND_SAVEEXEC_B64 $vcc, implicit-def $exec, implicit-def $scc, implicit $exec
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; CHECK: renamable $sgpr0_sgpr1 = S_XOR_B64 $exec, killed renamable $sgpr0_sgpr1, implicit-def dead $scc
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; CHECK: renamable $sgpr0_sgpr1 = COPY killed renamable $sgpr0_sgpr1, implicit $exec
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; CHECK: S_CBRANCH_EXECZ %bb.2, implicit $exec
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; CHECK: bb.1:
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; CHECK: successors: %bb.2(0x80000000)
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; CHECK: liveins: $sgpr0_sgpr1
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; CHECK: S_NOP 0, implicit $sgpr0_sgpr1
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; CHECK: bb.2:
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; CHECK: liveins: $sgpr0_sgpr1
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; CHECK: S_NOP 0, implicit $sgpr0_sgpr1
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bb.0:
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liveins: $vgpr0
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renamable $vgpr1 = V_MOV_B32_e32 0, implicit $exec
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renamable $vcc = V_CMP_EQ_U32_e64 0, killed $vgpr0, implicit $exec
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renamable $sgpr0_sgpr1 = COPY $exec, implicit-def $exec
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renamable $sgpr2_sgpr3 = S_AND_B64 renamable $sgpr0_sgpr1, renamable $vcc, implicit-def dead $scc
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renamable $sgpr0_sgpr1 = S_XOR_B64 renamable $sgpr2_sgpr3, killed renamable $sgpr0_sgpr1, implicit-def dead $scc
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$exec = S_MOV_B64_term killed renamable $sgpr2_sgpr3
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renamable $sgpr0_sgpr1 = S_MOV_B64_term killed renamable $sgpr0_sgpr1, implicit $exec
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S_CBRANCH_EXECZ %bb.2, implicit $exec
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bb.1:
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liveins: $sgpr0_sgpr1
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S_NOP 0, implicit $sgpr0_sgpr1
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bb.2:
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liveins: $sgpr0_sgpr1
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S_NOP 0, implicit $sgpr0_sgpr1
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...
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