diff --git a/llvm/test/CodeGen/AMDGPU/si-lower-i1-copies.mir b/llvm/test/CodeGen/AMDGPU/si-lower-i1-copies.mir index 502116b121d9..c15e0d83f1bd 100644 --- a/llvm/test/CodeGen/AMDGPU/si-lower-i1-copies.mir +++ b/llvm/test/CodeGen/AMDGPU/si-lower-i1-copies.mir @@ -1,11 +1,44 @@ +# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 6 # RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -run-pass=si-i1-copies -o - %s | FileCheck -check-prefixes=GCN %s # RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -passes=si-i1-copies -o - %s | FileCheck -check-prefixes=GCN %s -# GCN-LABEL: name: lcssa_phi --- name: lcssa_phi tracksRegLiveness: true body: | + ; GCN-LABEL: name: lcssa_phi + ; GCN: bb.0: + ; GCN-NEXT: successors: %bb.3(0x40000000), %bb.1(0x40000000) + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 0 + ; GCN-NEXT: [[DEF:%[0-9]+]]:sreg_64 = IMPLICIT_DEF + ; GCN-NEXT: [[DEF1:%[0-9]+]]:sreg_64 = IMPLICIT_DEF + ; GCN-NEXT: [[DEF2:%[0-9]+]]:sreg_64 = IMPLICIT_DEF + ; GCN-NEXT: [[SI_IF:%[0-9]+]]:sreg_64 = SI_IF [[DEF]], %bb.3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec + ; GCN-NEXT: S_BRANCH %bb.1 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: bb.1: + ; GCN-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[PHI:%[0-9]+]]:sreg_64 = PHI [[DEF1]], %bb.0, %9, %bb.1 + ; GCN-NEXT: [[PHI1:%[0-9]+]]:sreg_64 = PHI [[S_MOV_B64_]], %bb.0, %5, %bb.1 + ; GCN-NEXT: [[DEF3:%[0-9]+]]:sreg_64 = IMPLICIT_DEF + ; GCN-NEXT: [[SI_IF_BREAK:%[0-9]+]]:sreg_64 = SI_IF_BREAK [[DEF3]], [[PHI1]], implicit-def dead $scc + ; GCN-NEXT: [[DEF4:%[0-9]+]]:sreg_64 = IMPLICIT_DEF + ; GCN-NEXT: [[S_ANDN2_B64_:%[0-9]+]]:sreg_64 = S_ANDN2_B64 [[PHI]], $exec, implicit-def $scc + ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_64 = COPY [[S_ANDN2_B64_]] + ; GCN-NEXT: SI_LOOP [[SI_IF_BREAK]], %bb.1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec + ; GCN-NEXT: S_BRANCH %bb.2 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: bb.2: + ; GCN-NEXT: successors: %bb.3(0x80000000) + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: SI_END_CF [[SI_IF_BREAK]], implicit-def dead $exec, implicit-def dead $scc, implicit $exec + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: bb.3: + ; GCN-NEXT: [[PHI2:%[0-9]+]]:sreg_64 = PHI [[DEF2]], %bb.0, [[S_ANDN2_B64_]], %bb.2 + ; GCN-NEXT: SI_END_CF [[SI_IF]], implicit-def dead $exec, implicit-def dead $scc, implicit $exec + ; GCN-NEXT: S_ENDPGM 0 bb.0: %0:sreg_64 = S_MOV_B64 0 %8:vreg_1 = IMPLICIT_DEF @@ -32,3 +65,81 @@ body: | S_ENDPGM 0 ... +--- +name: copy_observed_outside_loop +tracksRegLiveness: true +noPhis: false + +body: | + ; GCN-LABEL: name: copy_observed_outside_loop + ; GCN: bb.0: + ; GCN-NEXT: successors: %bb.1(0x80000000) + ; GCN-NEXT: liveins: $sgpr4_sgpr5, $sgpr6_sgpr7, $sgpr8_sgpr9, $sgpr10_sgpr11, $sgpr12, $sgpr13, $sgpr14, $sgpr15, $vgpr0, $vgpr31 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[DEF:%[0-9]+]]:sreg_64 = IMPLICIT_DEF + ; GCN-NEXT: [[DEF1:%[0-9]+]]:sreg_64 = IMPLICIT_DEF + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: bb.1: + ; GCN-NEXT: successors: %bb.2(0x40000000), %bb.1(0x40000000) + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[PHI:%[0-9]+]]:sreg_64 = PHI [[DEF1]], %bb.0, %1, %bb.1, %5, %bb.3 + ; GCN-NEXT: [[S_ANDN2_B64_:%[0-9]+]]:sreg_64 = S_ANDN2_B64 [[PHI]], $exec, implicit-def $scc + ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_64 = COPY [[S_ANDN2_B64_]] + ; GCN-NEXT: SI_LOOP undef [[DEF]], %bb.1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec + ; GCN-NEXT: S_BRANCH %bb.2 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: bb.2: + ; GCN-NEXT: successors: %bb.5(0x40000000), %bb.3(0x40000000) + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[COPY1:%[0-9]+]]:sreg_64 = COPY undef [[COPY]] + ; GCN-NEXT: [[SI_IF:%[0-9]+]]:sreg_64 = SI_IF undef [[COPY1]], %bb.3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec + ; GCN-NEXT: S_BRANCH %bb.5 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: bb.3: + ; GCN-NEXT: successors: %bb.4(0x40000000), %bb.1(0x40000000) + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: [[DEF2:%[0-9]+]]:sreg_64 = IMPLICIT_DEF + ; GCN-NEXT: SI_LOOP undef [[SI_IF]], %bb.1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec + ; GCN-NEXT: S_BRANCH %bb.4 + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: bb.4: + ; GCN-NEXT: SI_RETURN + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: bb.5: + ; GCN-NEXT: successors: %bb.3(0x80000000) + ; GCN-NEXT: {{ $}} + ; GCN-NEXT: S_BRANCH %bb.3 + bb.0: + successors: %bb.1 + liveins: $sgpr4_sgpr5, $sgpr6_sgpr7, $sgpr8_sgpr9, $sgpr10_sgpr11, $sgpr12, $sgpr13, $sgpr14, $sgpr15, $vgpr0, $vgpr31 + + %42:sreg_64 = IMPLICIT_DEF + + bb.1: + successors: %bb.2, %bb.1 + + %2:vreg_1 = COPY undef %42 + SI_LOOP undef %42, %bb.1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec + S_BRANCH %bb.2 + + bb.2: + successors: %bb.5, %bb.3 + + %24:sreg_64 = COPY undef %2 + %4:sreg_64 = SI_IF undef %24, %bb.3, implicit-def dead $exec, implicit-def dead $scc, implicit $exec + S_BRANCH %bb.5 + + bb.3: + successors: %bb.4, %bb.1 + + SI_LOOP undef %4, %bb.1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec + S_BRANCH %bb.4 + + bb.4: + SI_RETURN + + bb.5: + successors: %bb.3 + + S_BRANCH %bb.3 +