diff --git a/llvm/lib/Target/AMDGPU/SIInstrInfo.h b/llvm/lib/Target/AMDGPU/SIInstrInfo.h --- a/llvm/lib/Target/AMDGPU/SIInstrInfo.h +++ b/llvm/lib/Target/AMDGPU/SIInstrInfo.h @@ -316,6 +316,14 @@ Register DstReg, ArrayRef Cond, Register TrueReg, Register FalseReg) const; + bool analyzeCompare(const MachineInstr &MI, Register &SrcReg, + Register &SrcReg2, int64_t &CmpMask, + int64_t &CmpValue) const override; + + bool optimizeCompareInstr(MachineInstr &CmpInstr, Register SrcReg, + Register SrcReg2, int64_t CmpMask, int64_t CmpValue, + const MachineRegisterInfo *MRI) const override; + unsigned getAddressSpaceForPseudoSourceKind( unsigned Kind) const override; diff --git a/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp b/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp --- a/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp +++ b/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp @@ -7940,3 +7940,143 @@ return 0; } } + +bool SIInstrInfo::analyzeCompare(const MachineInstr &MI, Register &SrcReg, + Register &SrcReg2, int64_t &CmpMask, + int64_t &CmpValue) const { + if (!MI.getOperand(0).isReg() || MI.getOperand(0).getSubReg()) + return false; + + switch (MI.getOpcode()) { + default: + break; + case AMDGPU::S_CMP_EQ_U32: + case AMDGPU::S_CMP_EQ_I32: + case AMDGPU::S_CMP_LG_U32: + case AMDGPU::S_CMP_LG_I32: + case AMDGPU::S_CMP_LT_U32: + case AMDGPU::S_CMP_LT_I32: + case AMDGPU::S_CMP_GT_U32: + case AMDGPU::S_CMP_GT_I32: + case AMDGPU::S_CMP_LE_U32: + case AMDGPU::S_CMP_LE_I32: + case AMDGPU::S_CMP_GE_U32: + case AMDGPU::S_CMP_GE_I32: + case AMDGPU::S_CMP_EQ_U64: + case AMDGPU::S_CMP_LG_U64: + SrcReg = MI.getOperand(0).getReg(); + if (MI.getOperand(1).isReg()) { + if (MI.getOperand(1).getSubReg()) + return false; + SrcReg2 = MI.getOperand(1).getReg(); + CmpValue = 0; + } else if (MI.getOperand(1).isImm()) { + SrcReg2 = Register(); + CmpValue = MI.getOperand(1).getImm(); + } else { + return false; + } + CmpMask = ~0; + return true; + case AMDGPU::S_CMPK_EQ_U32: + case AMDGPU::S_CMPK_EQ_I32: + case AMDGPU::S_CMPK_LG_U32: + case AMDGPU::S_CMPK_LG_I32: + case AMDGPU::S_CMPK_LT_U32: + case AMDGPU::S_CMPK_LT_I32: + case AMDGPU::S_CMPK_GT_U32: + case AMDGPU::S_CMPK_GT_I32: + case AMDGPU::S_CMPK_LE_U32: + case AMDGPU::S_CMPK_LE_I32: + case AMDGPU::S_CMPK_GE_U32: + case AMDGPU::S_CMPK_GE_I32: + SrcReg = MI.getOperand(0).getReg(); + SrcReg2 = Register(); + CmpValue = MI.getOperand(1).getImm(); + CmpMask = ~0; + return true; + } + + return false; +} + +bool SIInstrInfo::optimizeCompareInstr(MachineInstr &CmpInstr, Register SrcReg, + Register SrcReg2, int64_t CmpMask, + int64_t CmpValue, + const MachineRegisterInfo *MRI) const { + if (SrcReg2 || SrcReg.isPhysical()) + return false; + + const auto optimizeCmpAnd = [&CmpInstr, SrcReg, CmpValue, MRI, + this](int64_t ExpectedValue) -> bool { + // s_cmp_eq_u32 (s_and_b32 $src, 1), 1 => s_and_b32 $src, 1 + // s_cmp_eq_i32 (s_and_b32 $src, 1), 1 => s_and_b32 $src, 1 + // s_cmp_ge_u32 (s_and_b32 $src, 1), 1 => s_and_b32 $src, 1 + // s_cmp_ge_i32 (s_and_b32 $src, 1), 1 => s_and_b32 $src, 1 + // s_cmp_eq_u64 (s_and_b64 $src, 1), 1 => s_and_b64 $src, 1 + // s_cmp_lg_u32 (s_and_b32 $src, 1), 0 => s_and_b32 $src, 1 + // s_cmp_lg_i32 (s_and_b32 $src, 1), 0 => s_and_b32 $src, 1 + // s_cmp_gt_u32 (s_and_b32 $src, 1), 0 => s_and_b32 $src, 1 + // s_cmp_gt_i32 (s_and_b32 $src, 1), 0 => s_and_b32 $src, 1 + // s_cmp_lg_u64 (s_and_b64 $src, 1), 0 => s_and_b64 $src, 1 + + // TODO: Fold this into s_bitcmp* if result of an AND is unused. + // TODO: If s_bitcmp can be used we are not limited to 1 and 0 but can + // process any power of 2. + + if (CmpValue != ExpectedValue) + return false; + + MachineInstr *Def = MRI->getUniqueVRegDef(SrcReg); + if (!Def || Def->getParent() != CmpInstr.getParent()) + return false; + + if (Def->getOpcode() != AMDGPU::S_AND_B32 && + Def->getOpcode() != AMDGPU::S_AND_B64) + return false; + + if ((!Def->getOperand(1).isImm() || Def->getOperand(1).getImm() != 1) && + (!Def->getOperand(2).isImm() || Def->getOperand(2).getImm() != 1)) + return false; + + for (auto I = std::next(Def->getIterator()), E = CmpInstr.getIterator(); + I != E; ++I) { + if (I->modifiesRegister(AMDGPU::SCC, &RI) || + I->killsRegister(AMDGPU::SCC, &RI)) + return false; + } + + MachineOperand *SccDef = Def->findRegisterDefOperand(AMDGPU::SCC); + SccDef->setIsDead(false); + CmpInstr.eraseFromParent(); + + return true; + }; + + switch (CmpInstr.getOpcode()) { + default: + break; + case AMDGPU::S_CMP_EQ_U32: + case AMDGPU::S_CMP_EQ_I32: + case AMDGPU::S_CMP_GE_U32: + case AMDGPU::S_CMP_GE_I32: + case AMDGPU::S_CMP_EQ_U64: + case AMDGPU::S_CMPK_EQ_U32: + case AMDGPU::S_CMPK_EQ_I32: + case AMDGPU::S_CMPK_GE_U32: + case AMDGPU::S_CMPK_GE_I32: + return optimizeCmpAnd(1); + case AMDGPU::S_CMP_LG_U32: + case AMDGPU::S_CMP_LG_I32: + case AMDGPU::S_CMP_GT_U32: + case AMDGPU::S_CMP_GT_I32: + case AMDGPU::S_CMP_LG_U64: + case AMDGPU::S_CMPK_LG_U32: + case AMDGPU::S_CMPK_LG_I32: + case AMDGPU::S_CMPK_GT_U32: + case AMDGPU::S_CMPK_GT_I32: + return optimizeCmpAnd(0); + } + + return false; +} diff --git a/llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-fold-binop-select.ll b/llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-fold-binop-select.ll --- a/llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-fold-binop-select.ll +++ b/llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-fold-binop-select.ll @@ -397,7 +397,6 @@ ; GCN-NEXT: v_mov_b32_e32 v1, 0x80 ; GCN-NEXT: s_waitcnt lgkmcnt(0) ; GCN-NEXT: s_and_b32 s0, 1, s0 -; GCN-NEXT: s_cmp_eq_u32 s0, 1 ; GCN-NEXT: s_cselect_b64 vcc, -1, 0 ; GCN-NEXT: v_cndmask_b32_e32 v0, v0, v1, vcc ; GCN-NEXT: flat_store_short v[0:1], v0 diff --git a/llvm/test/CodeGen/AMDGPU/cross-block-use-is-not-abi-copy.ll b/llvm/test/CodeGen/AMDGPU/cross-block-use-is-not-abi-copy.ll --- a/llvm/test/CodeGen/AMDGPU/cross-block-use-is-not-abi-copy.ll +++ b/llvm/test/CodeGen/AMDGPU/cross-block-use-is-not-abi-copy.ll @@ -175,7 +175,6 @@ ; GCN-NEXT: s_addc_u32 s1, s1, 0 ; GCN-NEXT: s_waitcnt lgkmcnt(0) ; GCN-NEXT: s_and_b32 s4, 1, s4 -; GCN-NEXT: s_cmp_eq_u32 s4, 1 ; GCN-NEXT: s_cselect_b64 s[4:5], -1, 0 ; GCN-NEXT: s_and_b64 vcc, exec, s[4:5] ; GCN-NEXT: s_mov_b32 s32, 0 @@ -221,7 +220,6 @@ ; GCN-NEXT: s_addc_u32 s1, s1, 0 ; GCN-NEXT: s_waitcnt lgkmcnt(0) ; GCN-NEXT: s_and_b32 s4, 1, s4 -; GCN-NEXT: s_cmp_eq_u32 s4, 1 ; GCN-NEXT: s_cselect_b64 s[4:5], -1, 0 ; GCN-NEXT: s_and_b64 vcc, exec, s[4:5] ; GCN-NEXT: s_mov_b32 s32, 0 diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.div.fmas.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.div.fmas.ll --- a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.div.fmas.ll +++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.div.fmas.ll @@ -17,7 +17,6 @@ ; VI-DAG: s_load_dword [[SC:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x94 ; GCN-DAG: s_and_b32 [[AND_I1:s[0-9]+]], 1, s{{[0-9]+}} -; GCN: s_cmp_eq_u32 [[AND_I1]], 1 ; GCN-DAG: v_mov_b32_e32 [[VC:v[0-9]+]], [[SC]] ; GCN-DAG: v_mov_b32_e32 [[VB:v[0-9]+]], [[SB]] diff --git a/llvm/test/CodeGen/AMDGPU/optimize-compare.mir b/llvm/test/CodeGen/AMDGPU/optimize-compare.mir new file mode 100644 --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/optimize-compare.mir @@ -0,0 +1,985 @@ +# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py +# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=peephole-opt --verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s + +--- +name: and_1_cmp_eq_u32_1 +body: | + ; GCN-LABEL: name: and_1_cmp_eq_u32_1 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMP_EQ_U32 killed %1:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmp_eq_i32_1 +body: | + ; GCN-LABEL: name: and_1_cmp_eq_i32_1 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMP_EQ_I32 killed %1:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmp_eq_i32_1_phys +body: | + ; GCN-LABEL: name: and_1_cmp_eq_i32_1_phys + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: $sgpr2 = S_AND_B32 1, killed [[COPY]], implicit-def dead $scc + ; GCN: S_CMP_EQ_I32 killed $sgpr2, 1, implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + $sgpr2 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMP_EQ_I32 killed $sgpr2, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmp_eq_i32_1_different_blocks +body: | + ; GCN-LABEL: name: and_1_cmp_eq_i32_1_different_blocks + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x80000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def dead $scc + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x40000000), %bb.1(0x40000000) + ; GCN: S_CMP_EQ_I32 killed [[S_AND_B32_]], 1, implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.2: + ; GCN: successors: %bb.3(0x80000000) + ; GCN: bb.3: + ; GCN: S_ENDPGM 0 + bb.0: + liveins: $sgpr0, $vgpr0_vgpr1 + successors: %bb.1(0x80000000) + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + + bb.1: + successors: %bb.2(0x40000000), %bb.1(0x40000000) + + S_CMP_EQ_I32 killed %1:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.2: + successors: %bb.3(0x80000000) + + bb.3: + S_ENDPGM 0 + +... + +--- +name: and_3_cmp_eq_1 +body: | + ; GCN-LABEL: name: and_3_cmp_eq_1 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 3, killed [[COPY]], implicit-def dead $scc + ; GCN: S_CMP_EQ_U32 killed [[S_AND_B32_]], 1, implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 3, killed %0, implicit-def dead $scc + S_CMP_EQ_U32 killed %1:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: commuted_and_1_cmp_eq_1 +body: | + ; GCN-LABEL: name: commuted_and_1_cmp_eq_1 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 killed [[COPY]], 1, implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 killed %0, 1, implicit-def dead $scc + S_CMP_EQ_U32 killed %1:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: cmp_eq_1_undef_src +body: | + ; GCN-LABEL: name: cmp_eq_1_undef_src + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: S_CMP_EQ_U32 undef %1:sreg_32, 1, implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + S_CMP_EQ_U32 undef %1:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmp_subreg0_eq_1 +body: | + ; GCN-LABEL: name: and_1_cmp_subreg0_eq_1 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def dead $scc + ; GCN: [[REG_SEQUENCE:%[0-9]+]]:sreg_64 = REG_SEQUENCE [[S_AND_B32_]], %subreg.sub0, [[S_AND_B32_]], %subreg.sub1 + ; GCN: S_CMP_EQ_U32 killed [[REG_SEQUENCE]].sub0, 1, implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + %2:sreg_64 = REG_SEQUENCE %1, %subreg.sub0, %1, %subreg.sub1 + S_CMP_EQ_U32 killed %2.sub0:sreg_64, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_reg_cmp_eq_1 +body: | + ; GCN-LABEL: name: and_reg_cmp_eq_1 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr1 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 killed [[COPY]], killed [[COPY1]], implicit-def dead $scc + ; GCN: S_CMP_EQ_U32 killed [[S_AND_B32_]], 1, implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $sgpr1, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = COPY $sgpr1 + %2:sreg_32 = S_AND_B32 killed %0, killed %1, implicit-def dead $scc + S_CMP_EQ_U32 killed %2:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmp_eq_1_killed_scc +body: | + ; GCN-LABEL: name: and_1_cmp_eq_1_killed_scc + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_NOP 0, implicit killed $scc + ; GCN: S_CMP_EQ_U32 killed [[S_AND_B32_]], 1, implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def $scc + S_NOP 0, implicit killed $scc + S_CMP_EQ_U32 killed %1:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmp_eq_1_clobbered_scc +body: | + ; GCN-LABEL: name: and_1_cmp_eq_1_clobbered_scc + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_NOP 0, implicit-def $scc + ; GCN: S_CMP_EQ_U32 killed [[S_AND_B32_]], 1, implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def $scc + S_NOP 0, implicit-def $scc + S_CMP_EQ_U32 killed %1:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmp_eq_0 +body: | + ; GCN-LABEL: name: and_1_cmp_eq_0 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def dead $scc + ; GCN: S_CMP_EQ_U32 killed [[S_AND_B32_]], 0, implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMP_EQ_U32 killed %1:sreg_32, 0, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: or_1_cmp_eq_u32_1 +body: | + ; GCN-LABEL: name: or_1_cmp_eq_u32_1 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_OR_B32_:%[0-9]+]]:sreg_32 = S_OR_B32 1, killed [[COPY]], implicit-def dead $scc + ; GCN: S_CMP_EQ_U32 killed [[S_OR_B32_]], 1, implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_OR_B32 1, killed %0, implicit-def dead $scc + S_CMP_EQ_U32 killed %1:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmp_ge_u32_1 +body: | + ; GCN-LABEL: name: and_1_cmp_ge_u32_1 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMP_GE_U32 killed %1:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmp_ge_i32_1 +body: | + ; GCN-LABEL: name: and_1_cmp_ge_i32_1 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMP_GE_I32 killed %1:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmp_gt_u32_0 +body: | + ; GCN-LABEL: name: and_1_cmp_gt_u32_0 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMP_GT_U32 killed %1:sreg_32, 0, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmp_gt_i32_0 +body: | + ; GCN-LABEL: name: and_1_cmp_gt_i32_0 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMP_GT_U32 killed %1:sreg_32, 0, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmp_gt_1 +body: | + ; GCN-LABEL: name: and_1_cmp_gt_1 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def dead $scc + ; GCN: S_CMP_GT_U32 killed [[S_AND_B32_]], 1, implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMP_GT_U32 killed %1:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmp_lg_u32_0 +body: | + ; GCN-LABEL: name: and_1_cmp_lg_u32_0 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMP_LG_U32 killed %1:sreg_32, 0, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmp_lg_i32_0 +body: | + ; GCN-LABEL: name: and_1_cmp_lg_i32_0 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMP_LG_I32 killed %1:sreg_32, 0, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmp_eq_u64_1 +body: | + ; GCN-LABEL: name: and_1_cmp_eq_u64_1 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1 + ; GCN: [[S_AND_B64_:%[0-9]+]]:sreg_64 = S_AND_B64 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0_sgpr1, $vgpr0_vgpr1 + + %0:sreg_64 = COPY $sgpr0_sgpr1 + %1:sreg_64 = S_AND_B64 1, killed %0, implicit-def dead $scc + S_CMP_EQ_U64 killed %1:sreg_64, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmp_lg_u64_0 +body: | + ; GCN-LABEL: name: and_1_cmp_lg_u64_0 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1 + ; GCN: [[S_AND_B64_:%[0-9]+]]:sreg_64 = S_AND_B64 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0_sgpr1, $vgpr0_vgpr1 + + %0:sreg_64 = COPY $sgpr0_sgpr1 + %1:sreg_64 = S_AND_B64 1, killed %0, implicit-def dead $scc + S_CMP_LG_U64 killed %1:sreg_64, 0, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmpk_eq_u32_1 +body: | + ; GCN-LABEL: name: and_1_cmpk_eq_u32_1 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMPK_EQ_U32 killed %1:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmpk_eq_i32_1 +body: | + ; GCN-LABEL: name: and_1_cmpk_eq_i32_1 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMPK_EQ_I32 killed %1:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmpk_ge_u32_1 +body: | + ; GCN-LABEL: name: and_1_cmpk_ge_u32_1 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMPK_GE_U32 killed %1:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmpk_ge_i32_1 +body: | + ; GCN-LABEL: name: and_1_cmpk_ge_i32_1 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMPK_GE_I32 killed %1:sreg_32, 1, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmpk_lg_u32_0 +body: | + ; GCN-LABEL: name: and_1_cmpk_lg_u32_0 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMPK_LG_U32 killed %1:sreg_32, 0, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmpk_lg_i32_0 +body: | + ; GCN-LABEL: name: and_1_cmpk_lg_i32_0 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMPK_LG_I32 killed %1:sreg_32, 0, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmpk_gt_u32_0 +body: | + ; GCN-LABEL: name: and_1_cmpk_gt_u32_0 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMPK_GT_U32 killed %1:sreg_32, 0, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... + +--- +name: and_1_cmpk_gt_i32_0 +body: | + ; GCN-LABEL: name: and_1_cmpk_gt_i32_0 + ; GCN: bb.0: + ; GCN: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 + ; GCN: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, killed [[COPY]], implicit-def $scc + ; GCN: S_CBRANCH_SCC0 %bb.2, implicit $scc + ; GCN: S_BRANCH %bb.1 + ; GCN: bb.1: + ; GCN: successors: %bb.2(0x80000000) + ; GCN: bb.2: + ; GCN: S_ENDPGM 0 + bb.0: + successors: %bb.1(0x40000000), %bb.2(0x40000000) + liveins: $sgpr0, $vgpr0_vgpr1 + + %0:sreg_32 = COPY $sgpr0 + %1:sreg_32 = S_AND_B32 1, killed %0, implicit-def dead $scc + S_CMPK_GT_I32 killed %1:sreg_32, 0, implicit-def $scc + S_CBRANCH_SCC0 %bb.2, implicit $scc + S_BRANCH %bb.1 + + bb.1: + successors: %bb.2(0x80000000) + + bb.2: + S_ENDPGM 0 + +... diff --git a/llvm/test/CodeGen/AMDGPU/select-i1.ll b/llvm/test/CodeGen/AMDGPU/select-i1.ll --- a/llvm/test/CodeGen/AMDGPU/select-i1.ll +++ b/llvm/test/CodeGen/AMDGPU/select-i1.ll @@ -16,7 +16,6 @@ ; GCN-LABEL: {{^}}s_minmax_i1: ; GCN: s_load_dword [[LOAD:s[0-9]+]], ; GCN: s_and_b32 [[COND:s[0-9]+]], 1, [[LOAD]] -; GCN: s_cmp_eq_u32 [[COND]], 1 ; GCN: s_cselect_b64 vcc, -1, 0 ; GCN-DAG: s_lshr_b32 [[A:s[0-9]+]], [[LOAD]], 8 ; GCN-DAG: s_lshr_b32 [[B:s[0-9]+]], [[LOAD]], 16 diff --git a/llvm/test/CodeGen/AMDGPU/trunc.ll b/llvm/test/CodeGen/AMDGPU/trunc.ll --- a/llvm/test/CodeGen/AMDGPU/trunc.ll +++ b/llvm/test/CodeGen/AMDGPU/trunc.ll @@ -97,7 +97,6 @@ ; SI: s_load_dwordx2 s{{\[}}[[SLO:[0-9]+]]:{{[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0x13 ; VI: s_load_dwordx2 s{{\[}}[[SLO:[0-9]+]]:{{[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0x4c ; GCN: s_and_b32 [[MASKED:s[0-9]+]], 1, s[[SLO]] -; GCN: s_cmp_eq_u32 [[MASKED]], 1{{$}} ; SI: s_cselect_b64 s{{\[}}[[VLO:[0-9]+]]:[[VHI:[0-9]+]]], -1, 0 ; SI: v_cndmask_b32_e64 {{v[0-9]+}}, -12, 63, s{{\[}}[[VLO]]:[[VHI]]] ; VI: s_cselect_b32 {{s[0-9]+}}, 63, -12 diff --git a/llvm/test/CodeGen/AMDGPU/wave32.ll b/llvm/test/CodeGen/AMDGPU/wave32.ll --- a/llvm/test/CodeGen/AMDGPU/wave32.ll +++ b/llvm/test/CodeGen/AMDGPU/wave32.ll @@ -418,9 +418,8 @@ } ; GCN-LABEL: {{^}}test_div_fmas_f32: -; GFX1032: s_cmp_eq_u32 s0, 1 +; GCN: s_and_b32 s{{[0-9]+}}, 1 ; GFX1032: s_cselect_b32 vcc_lo, -1, 0 -; GFX1064: s_cmp_eq_u32 s0, 1 ; GFX1064: s_cselect_b64 vcc, -1, 0 ; GCN: v_div_fmas_f32 v{{[0-9]+}}, {{[vs][0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} define amdgpu_kernel void @test_div_fmas_f32(float addrspace(1)* %out, float %a, float %b, float %c, i1 %d) nounwind { @@ -430,9 +429,8 @@ } ; GCN-LABEL: {{^}}test_div_fmas_f64: -; GFX1032: s_cmp_eq_u32 s0, 1 +; GCN: s_and_b32 s{{[0-9]+}}, 1 ; GFX1032: s_cselect_b32 vcc_lo, -1, 0 -; GFX1064: s_cmp_eq_u32 s0, 1 ; GFX1064: s_cselect_b64 vcc, -1, 0 ; GCN-DAG: v_div_fmas_f64 v[{{[0-9:]+}}], {{[vs]}}[{{[0-9:]+}}], v[{{[0-9:]+}}], v[{{[0-9:]+}}] define amdgpu_kernel void @test_div_fmas_f64(double addrspace(1)* %out, double %a, double %b, double %c, i1 %d) nounwind {