derek.holloway
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88 lines
2.7 KiB
YAML
88 lines
2.7 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1030 -run-pass=amdgpu-regbank-combiner %s -o - | FileCheck %s
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# Check (sext (trunc (sext_inreg x))) can be folded, as it's a pattern that can arise when
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# CGP widening of uniform i16 ops is disabled.
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# Two separate combines make it happen (sext_trunc and sext_inreg_of_sext_inreg).
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---
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name: trunc_s16_inreg_8
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $vgpr0
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; CHECK-LABEL: name: trunc_s16_inreg_8
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; CHECK: liveins: $vgpr0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %copy:_(s32) = COPY $vgpr0
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; CHECK-NEXT: %inreg:_(s32) = G_SEXT_INREG %copy, 8
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; CHECK-NEXT: $vgpr0 = COPY %inreg(s32)
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%copy:_(s32) = COPY $vgpr0
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%inreg:_(s32) = G_SEXT_INREG %copy, 8
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%trunc:_(s16) = G_TRUNC %inreg
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%sext:_(s32) = G_SEXT %trunc
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$vgpr0 = COPY %sext
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...
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---
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name: trunc_s16_inreg_16
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $vgpr0
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; CHECK-LABEL: name: trunc_s16_inreg_16
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; CHECK: liveins: $vgpr0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %copy:_(s32) = COPY $vgpr0
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; CHECK-NEXT: %inreg:_(s32) = G_SEXT_INREG %copy, 16
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; CHECK-NEXT: $vgpr0 = COPY %inreg(s32)
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%copy:_(s32) = COPY $vgpr0
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%inreg:_(s32) = G_SEXT_INREG %copy, 16
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%trunc:_(s16) = G_TRUNC %inreg
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%sext:_(s32) = G_SEXT %trunc
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$vgpr0 = COPY %sext
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...
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---
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name: trunc_s8_inreg_16
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $vgpr0
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; CHECK-LABEL: name: trunc_s8_inreg_16
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; CHECK: liveins: $vgpr0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %copy:_(s32) = COPY $vgpr0
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; CHECK-NEXT: %sext:_(s32) = G_SEXT_INREG %copy, 8
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; CHECK-NEXT: $vgpr0 = COPY %sext(s32)
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%copy:_(s32) = COPY $vgpr0
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%inreg:_(s32) = G_SEXT_INREG %copy, 16
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%trunc:_(s8) = G_TRUNC %inreg
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%sext:_(s32) = G_SEXT %trunc
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$vgpr0 = COPY %sext
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...
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# TODO?: We could handle this by inserting a trunc, but I'm not sure how useful that'd be.
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---
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name: mismatching_types
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $vgpr0
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; CHECK-LABEL: name: mismatching_types
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; CHECK: liveins: $vgpr0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %copy:_(s32) = COPY $vgpr0
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; CHECK-NEXT: %inreg:_(s32) = G_SEXT_INREG %copy, 8
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; CHECK-NEXT: %trunc:_(s8) = G_TRUNC %inreg(s32)
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; CHECK-NEXT: %sext:_(s16) = G_SEXT %trunc(s8)
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; CHECK-NEXT: %anyext:_(s32) = G_ANYEXT %sext(s16)
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; CHECK-NEXT: $vgpr0 = COPY %anyext(s32)
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%copy:_(s32) = COPY $vgpr0
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%inreg:_(s32) = G_SEXT_INREG %copy, 8
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%trunc:_(s8) = G_TRUNC %inreg
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%sext:_(s16) = G_SEXT %trunc
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%anyext:_(s32) = G_ANYEXT %sext
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$vgpr0 = COPY %anyext
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...
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