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GlobalISel: Add DAG compat for G_FCANONICALIZE
llvm-svn: 364758
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‎llvm/include/llvm/Target/GlobalISel/SelectionDAGCompat.td

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@@ -76,6 +76,7 @@ def : GINodeEquiv<G_FREM, frem>;
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def : GINodeEquiv<G_FPOW, fpow>;
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def : GINodeEquiv<G_FEXP2, fexp2>;
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def : GINodeEquiv<G_FLOG2, flog2>;
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def : GINodeEquiv<G_FCANONICALIZE, fcanonicalize>;
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def : GINodeEquiv<G_INTRINSIC, intrinsic_wo_chain>;
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// ISD::INTRINSIC_VOID can also be handled with G_INTRINSIC_W_SIDE_EFFECTS.
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def : GINodeEquiv<G_INTRINSIC_W_SIDE_EFFECTS, intrinsic_void>;

‎llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-fcanonicalize.mir

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -march=amdgcn -mcpu=gfx900 -mattr=+fp32-denormals,+fp64-fp16-denormals -run-pass=instruction-select -global-isel-abort=2 -verify-machineinstrs -o - %s | FileCheck -check-prefix=GFX9-DENORM %s
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# RUN: llc -march=amdgcn -mcpu=gfx900 -mattr=-fp32-denormals,-fp64-fp16-denormals -run-pass=instruction-select -global-isel-abort=2 -verify-machineinstrs -o - %s | FileCheck -check-prefix=GFX9-FLUSH %s
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---
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name: fcanonicalize_f16
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legalized: true
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regBankSelected: true
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body: |
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bb.0:
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liveins: $vgpr0
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; GFX9-DENORM-LABEL: name: fcanonicalize_f16
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; GFX9-DENORM: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
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; GFX9-DENORM: [[V_MAX_F16_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F16_e64 0, [[COPY]], 0, [[COPY]], 0, 0, implicit $exec
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; GFX9-DENORM: S_ENDPGM 0, implicit [[V_MAX_F16_e64_]]
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; GFX9-FLUSH-LABEL: name: fcanonicalize_f16
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; GFX9-FLUSH: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
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; GFX9-FLUSH: [[V_MUL_F16_e64_:%[0-9]+]]:vgpr_32 = V_MUL_F16_e64 0, 15360, 0, [[COPY]], 0, 0, implicit $exec
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; GFX9-FLUSH: S_ENDPGM 0, implicit [[V_MUL_F16_e64_]]
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%0:vgpr(s32) = COPY $vgpr0
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%1:vgpr(s16) = G_TRUNC %0
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%2:vgpr(s16) = G_FCANONICALIZE %1
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S_ENDPGM 0, implicit %2
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...
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---
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name: fcanonicalize_f32
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legalized: true
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regBankSelected: true
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body: |
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bb.0:
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liveins: $vgpr0
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; GFX9-DENORM-LABEL: name: fcanonicalize_f32
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; GFX9-DENORM: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
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; GFX9-DENORM: [[V_MAX_F32_e64_:%[0-9]+]]:vgpr_32 = V_MAX_F32_e64 0, [[COPY]], 0, [[COPY]], 0, 0, implicit $exec
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; GFX9-DENORM: S_ENDPGM 0, implicit [[V_MAX_F32_e64_]]
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; GFX9-FLUSH-LABEL: name: fcanonicalize_f32
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; GFX9-FLUSH: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
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; GFX9-FLUSH: [[V_MUL_F32_e64_:%[0-9]+]]:vgpr_32 = V_MUL_F32_e64 0, 1065353216, 0, [[COPY]], 0, 0, implicit $exec
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; GFX9-FLUSH: S_ENDPGM 0, implicit [[V_MUL_F32_e64_]]
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%0:vgpr(s32) = COPY $vgpr0
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%1:vgpr(s32) = G_FCANONICALIZE %0
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S_ENDPGM 0, implicit %1
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...
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---
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name: fcanonicalize_v2f16
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legalized: true
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regBankSelected: true
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body: |
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bb.0:
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liveins: $vgpr0
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; GFX9-DENORM-LABEL: name: fcanonicalize_v2f16
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; GFX9-DENORM: [[COPY:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
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; GFX9-DENORM: [[FCANONICALIZE:%[0-9]+]]:vgpr(<2 x s16>) = G_FCANONICALIZE [[COPY]]
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; GFX9-DENORM: S_ENDPGM 0, implicit [[FCANONICALIZE]](<2 x s16>)
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; GFX9-FLUSH-LABEL: name: fcanonicalize_v2f16
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; GFX9-FLUSH: [[COPY:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
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; GFX9-FLUSH: [[FCANONICALIZE:%[0-9]+]]:vgpr(<2 x s16>) = G_FCANONICALIZE [[COPY]]
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; GFX9-FLUSH: S_ENDPGM 0, implicit [[FCANONICALIZE]](<2 x s16>)
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%0:vgpr(<2 x s16>) = COPY $vgpr0
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%1:vgpr(<2 x s16>) = G_FCANONICALIZE %0
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S_ENDPGM 0, implicit %1
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...
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---
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name: fcanonicalize_f64
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legalized: true
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regBankSelected: true
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body: |
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bb.0:
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liveins: $vgpr0_vgpr1
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; GFX9-DENORM-LABEL: name: fcanonicalize_f64
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; GFX9-DENORM: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
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; GFX9-DENORM: [[V_MAX_F64_:%[0-9]+]]:vreg_64 = V_MAX_F64 0, [[COPY]], 0, [[COPY]], 0, 0, implicit $exec
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; GFX9-DENORM: S_ENDPGM 0, implicit [[V_MAX_F64_]]
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; GFX9-FLUSH-LABEL: name: fcanonicalize_f64
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; GFX9-FLUSH: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
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; GFX9-FLUSH: [[V_MUL_F64_:%[0-9]+]]:vreg_64 = V_MUL_F64 0, 4607182418800017408, 0, [[COPY]], 0, 0, implicit $exec
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; GFX9-FLUSH: S_ENDPGM 0, implicit [[V_MUL_F64_]]
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%0:vgpr(s64) = COPY $vgpr0_vgpr1
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%1:vgpr(s64) = G_FCANONICALIZE %0
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S_ENDPGM 0, implicit %1
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...
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---
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name: fcanonicalize_fabs_f32
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legalized: true
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regBankSelected: true
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body: |
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bb.0:
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liveins: $vgpr0
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; GFX9-DENORM-LABEL: name: fcanonicalize_fabs_f32
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; GFX9-DENORM: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
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; GFX9-DENORM: [[FABS:%[0-9]+]]:vgpr_32(s32) = G_FABS [[COPY]]
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; GFX9-DENORM: [[V_MAX_F32_e64_:%[0-9]+]]:vgpr_32(s32) = V_MAX_F32_e64 0, [[FABS]](s32), 0, [[FABS]](s32), 0, 0, implicit $exec
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; GFX9-DENORM: S_ENDPGM 0, implicit [[V_MAX_F32_e64_]](s32)
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; GFX9-FLUSH-LABEL: name: fcanonicalize_fabs_f32
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; GFX9-FLUSH: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
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; GFX9-FLUSH: [[FABS:%[0-9]+]]:vgpr_32(s32) = G_FABS [[COPY]]
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; GFX9-FLUSH: [[V_MUL_F32_e64_:%[0-9]+]]:vgpr_32(s32) = V_MUL_F32_e64 0, 1065353216, 0, [[FABS]](s32), 0, 0, implicit $exec
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; GFX9-FLUSH: S_ENDPGM 0, implicit [[V_MUL_F32_e64_]](s32)
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%0:vgpr(s32) = COPY $vgpr0
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%1:vgpr(s32) = G_FABS %0
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%2:vgpr(s32) = G_FCANONICALIZE %1
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S_ENDPGM 0, implicit %2
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...
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---
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name: fcanonicalize_fneg_f32
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legalized: true
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regBankSelected: true
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body: |
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bb.0:
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liveins: $vgpr0
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; GFX9-DENORM-LABEL: name: fcanonicalize_fneg_f32
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; GFX9-DENORM: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
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; GFX9-DENORM: [[FNEG:%[0-9]+]]:vgpr_32(s32) = G_FNEG [[COPY]]
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; GFX9-DENORM: [[V_MAX_F32_e64_:%[0-9]+]]:vgpr_32(s32) = V_MAX_F32_e64 0, [[FNEG]](s32), 0, [[FNEG]](s32), 0, 0, implicit $exec
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; GFX9-DENORM: S_ENDPGM 0, implicit [[V_MAX_F32_e64_]](s32)
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; GFX9-FLUSH-LABEL: name: fcanonicalize_fneg_f32
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; GFX9-FLUSH: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
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; GFX9-FLUSH: [[V_MUL_F32_e64_:%[0-9]+]]:vgpr_32 = V_MUL_F32_e64 0, 3212836864, 0, [[COPY]], 0, 0, implicit $exec
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; GFX9-FLUSH: S_ENDPGM 0, implicit [[V_MUL_F32_e64_]]
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%0:vgpr(s32) = COPY $vgpr0
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%1:vgpr(s32) = G_FNEG %0
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%2:vgpr(s32) = G_FCANONICALIZE %1
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S_ENDPGM 0, implicit %2
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...
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---
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name: fcanonicalize_fneg_fabs_f32
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legalized: true
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regBankSelected: true
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body: |
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bb.0:
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liveins: $vgpr0
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; GFX9-DENORM-LABEL: name: fcanonicalize_fneg_fabs_f32
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; GFX9-DENORM: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
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; GFX9-DENORM: [[FNEG:%[0-9]+]]:vgpr(s32) = G_FNEG [[COPY]]
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; GFX9-DENORM: [[FABS:%[0-9]+]]:vgpr_32(s32) = G_FABS [[FNEG]]
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; GFX9-DENORM: [[V_MAX_F32_e64_:%[0-9]+]]:vgpr_32(s32) = V_MAX_F32_e64 0, [[FABS]](s32), 0, [[FABS]](s32), 0, 0, implicit $exec
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; GFX9-DENORM: S_ENDPGM 0, implicit [[V_MAX_F32_e64_]](s32)
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; GFX9-FLUSH-LABEL: name: fcanonicalize_fneg_fabs_f32
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; GFX9-FLUSH: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
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; GFX9-FLUSH: [[FNEG:%[0-9]+]]:vgpr(s32) = G_FNEG [[COPY]]
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; GFX9-FLUSH: [[FABS:%[0-9]+]]:vgpr_32(s32) = G_FABS [[FNEG]]
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; GFX9-FLUSH: [[V_MUL_F32_e64_:%[0-9]+]]:vgpr_32(s32) = V_MUL_F32_e64 0, 1065353216, 0, [[FABS]](s32), 0, 0, implicit $exec
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; GFX9-FLUSH: S_ENDPGM 0, implicit [[V_MUL_F32_e64_]](s32)
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%0:vgpr(s32) = COPY $vgpr0
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%1:vgpr(s32) = G_FNEG %0
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%2:vgpr(s32) = G_FABS %1
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%3:vgpr(s32) = G_FCANONICALIZE %2
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S_ENDPGM 0, implicit %3
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...

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