| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -mtriple=riscv32 -run-pass=finalize-isel -simplify-mir -o - %s \ |
| # RUN: | FileCheck -check-prefix=RV32I %s |
| # RUN: llc -mtriple=riscv64 -run-pass=finalize-isel -simplify-mir -o - %s \ |
| # RUN: | FileCheck -check-prefix=RV64I %s |
| |
| # Provide dummy definitions of functions and just enough metadata to create a |
| # DBG_VALUE. |
| --- | |
| define void @cmov_interleaved_bad() { |
| ret void |
| } |
| define void @cmov_interleaved_debug_value() { |
| ret void |
| } |
| ... |
| --- |
| # Here we have a sequence of select instructions with a non-select instruction |
| # in the middle. Because the non-select depends on the result of a previous |
| # select, we cannot optimize the sequence to share control-flow. |
| name: cmov_interleaved_bad |
| alignment: 4 |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: gpr } |
| - { id: 1, class: gpr } |
| - { id: 2, class: gpr } |
| - { id: 3, class: gpr } |
| - { id: 4, class: gpr } |
| - { id: 5, class: gpr } |
| - { id: 6, class: gpr } |
| - { id: 7, class: gpr } |
| - { id: 8, class: gpr } |
| - { id: 9, class: gpr } |
| - { id: 10, class: gpr } |
| liveins: |
| - { reg: '$x10', virtual-reg: '%0' } |
| - { reg: '$x11', virtual-reg: '%1' } |
| - { reg: '$x12', virtual-reg: '%2' } |
| - { reg: '$x13', virtual-reg: '%3' } |
| body: | |
| bb.0: |
| liveins: $x10, $x11, $x12, $x13 |
| |
| ; RV32I-LABEL: name: cmov_interleaved_bad |
| ; RV32I: successors: %bb.1, %bb.2 |
| ; RV32I-NEXT: liveins: $x10, $x11, $x12, $x13 |
| ; RV32I-NEXT: {{ $}} |
| ; RV32I-NEXT: [[COPY:%[0-9]+]]:gpr = COPY $x13 |
| ; RV32I-NEXT: [[COPY1:%[0-9]+]]:gpr = COPY $x12 |
| ; RV32I-NEXT: [[COPY2:%[0-9]+]]:gpr = COPY $x11 |
| ; RV32I-NEXT: [[COPY3:%[0-9]+]]:gpr = COPY $x10 |
| ; RV32I-NEXT: [[ANDI:%[0-9]+]]:gpr = ANDI [[COPY3]], 1 |
| ; RV32I-NEXT: [[COPY4:%[0-9]+]]:gpr = COPY $x0 |
| ; RV32I-NEXT: BNE [[ANDI]], [[COPY4]], %bb.2 |
| ; RV32I-NEXT: {{ $}} |
| ; RV32I-NEXT: .1: |
| ; RV32I-NEXT: {{ $}} |
| ; RV32I-NEXT: .2: |
| ; RV32I-NEXT: successors: %bb.3, %bb.4 |
| ; RV32I-NEXT: {{ $}} |
| ; RV32I-NEXT: [[PHI:%[0-9]+]]:gpr = PHI [[COPY2]], %bb.0, [[COPY1]], %bb.1 |
| ; RV32I-NEXT: [[ADDI:%[0-9]+]]:gpr = ADDI [[PHI]], 1 |
| ; RV32I-NEXT: BNE [[ANDI]], [[COPY4]], %bb.4 |
| ; RV32I-NEXT: {{ $}} |
| ; RV32I-NEXT: .3: |
| ; RV32I-NEXT: {{ $}} |
| ; RV32I-NEXT: .4: |
| ; RV32I-NEXT: [[PHI1:%[0-9]+]]:gpr = PHI [[COPY]], %bb.2, [[COPY1]], %bb.3 |
| ; RV32I-NEXT: [[ADD:%[0-9]+]]:gpr = ADD [[PHI]], killed [[PHI1]] |
| ; RV32I-NEXT: $x10 = COPY [[ADD]] |
| ; RV32I-NEXT: PseudoRET implicit $x10 |
| ; RV64I-LABEL: name: cmov_interleaved_bad |
| ; RV64I: successors: %bb.1, %bb.2 |
| ; RV64I-NEXT: liveins: $x10, $x11, $x12, $x13 |
| ; RV64I-NEXT: {{ $}} |
| ; RV64I-NEXT: [[COPY:%[0-9]+]]:gpr = COPY $x13 |
| ; RV64I-NEXT: [[COPY1:%[0-9]+]]:gpr = COPY $x12 |
| ; RV64I-NEXT: [[COPY2:%[0-9]+]]:gpr = COPY $x11 |
| ; RV64I-NEXT: [[COPY3:%[0-9]+]]:gpr = COPY $x10 |
| ; RV64I-NEXT: [[ANDI:%[0-9]+]]:gpr = ANDI [[COPY3]], 1 |
| ; RV64I-NEXT: [[COPY4:%[0-9]+]]:gpr = COPY $x0 |
| ; RV64I-NEXT: BNE [[ANDI]], [[COPY4]], %bb.2 |
| ; RV64I-NEXT: {{ $}} |
| ; RV64I-NEXT: .1: |
| ; RV64I-NEXT: {{ $}} |
| ; RV64I-NEXT: .2: |
| ; RV64I-NEXT: successors: %bb.3, %bb.4 |
| ; RV64I-NEXT: {{ $}} |
| ; RV64I-NEXT: [[PHI:%[0-9]+]]:gpr = PHI [[COPY2]], %bb.0, [[COPY1]], %bb.1 |
| ; RV64I-NEXT: [[ADDI:%[0-9]+]]:gpr = ADDI [[PHI]], 1 |
| ; RV64I-NEXT: BNE [[ANDI]], [[COPY4]], %bb.4 |
| ; RV64I-NEXT: {{ $}} |
| ; RV64I-NEXT: .3: |
| ; RV64I-NEXT: {{ $}} |
| ; RV64I-NEXT: .4: |
| ; RV64I-NEXT: [[PHI1:%[0-9]+]]:gpr = PHI [[COPY]], %bb.2, [[COPY1]], %bb.3 |
| ; RV64I-NEXT: [[ADD:%[0-9]+]]:gpr = ADD [[PHI]], killed [[PHI1]] |
| ; RV64I-NEXT: $x10 = COPY [[ADD]] |
| ; RV64I-NEXT: PseudoRET implicit $x10 |
| %3:gpr = COPY $x13 |
| %2:gpr = COPY $x12 |
| %1:gpr = COPY $x11 |
| %0:gpr = COPY $x10 |
| %5:gpr = ANDI %0, 1 |
| %6:gpr = COPY $x0 |
| %7:gpr = Select_GPR_Using_CC_GPR %5, %6, 1, %1, %2 |
| %8:gpr = ADDI %7, 1 |
| %9:gpr = Select_GPR_Using_CC_GPR %5, %6, 1, %3, %2 |
| %10:gpr = ADD %7, killed %9 |
| $x10 = COPY %10 |
| PseudoRET implicit $x10 |
| |
| ... |
| --- |
| # Demonstrate that debug info associated with selects is correctly moved to |
| # the tail basic block, while debug info associated with non-selects is left |
| # in the head basic block. |
| name: cmov_interleaved_debug_value |
| alignment: 4 |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: gpr } |
| - { id: 1, class: gpr } |
| - { id: 2, class: gpr } |
| - { id: 3, class: gpr } |
| - { id: 4, class: gpr } |
| - { id: 5, class: gpr } |
| - { id: 6, class: gpr } |
| - { id: 7, class: gpr } |
| - { id: 8, class: gpr } |
| - { id: 9, class: gpr } |
| - { id: 10, class: gpr } |
| liveins: |
| - { reg: '$x10', virtual-reg: '%0' } |
| - { reg: '$x11', virtual-reg: '%1' } |
| - { reg: '$x12', virtual-reg: '%2' } |
| - { reg: '$x13', virtual-reg: '%3' } |
| body: | |
| bb.0: |
| liveins: $x10, $x11, $x12, $x13 |
| |
| ; RV32I-LABEL: name: cmov_interleaved_debug_value |
| ; RV32I: successors: %bb.1, %bb.2 |
| ; RV32I-NEXT: liveins: $x10, $x11, $x12, $x13 |
| ; RV32I-NEXT: {{ $}} |
| ; RV32I-NEXT: [[COPY:%[0-9]+]]:gpr = COPY $x13 |
| ; RV32I-NEXT: [[COPY1:%[0-9]+]]:gpr = COPY $x12 |
| ; RV32I-NEXT: [[COPY2:%[0-9]+]]:gpr = COPY $x11 |
| ; RV32I-NEXT: [[COPY3:%[0-9]+]]:gpr = COPY $x10 |
| ; RV32I-NEXT: [[ANDI:%[0-9]+]]:gpr = ANDI [[COPY3]], 1 |
| ; RV32I-NEXT: [[COPY4:%[0-9]+]]:gpr = COPY $x0 |
| ; RV32I-NEXT: [[ADDI:%[0-9]+]]:gpr = ADDI [[COPY3]], 1 |
| ; RV32I-NEXT: DBG_VALUE [[ADDI]], $noreg |
| ; RV32I-NEXT: BNE [[ANDI]], [[COPY4]], %bb.2 |
| ; RV32I-NEXT: {{ $}} |
| ; RV32I-NEXT: .1: |
| ; RV32I-NEXT: {{ $}} |
| ; RV32I-NEXT: .2: |
| ; RV32I-NEXT: [[PHI:%[0-9]+]]:gpr = PHI [[COPY2]], %bb.0, [[COPY1]], %bb.1 |
| ; RV32I-NEXT: [[PHI1:%[0-9]+]]:gpr = PHI [[COPY]], %bb.0, [[COPY1]], %bb.1 |
| ; RV32I-NEXT: DBG_VALUE [[PHI]], $noreg |
| ; RV32I-NEXT: DBG_VALUE [[PHI1]], $noreg |
| ; RV32I-NEXT: [[ADD:%[0-9]+]]:gpr = ADD [[PHI]], killed [[PHI1]] |
| ; RV32I-NEXT: $x10 = COPY [[ADD]] |
| ; RV32I-NEXT: PseudoRET implicit $x10 |
| ; RV64I-LABEL: name: cmov_interleaved_debug_value |
| ; RV64I: successors: %bb.1, %bb.2 |
| ; RV64I-NEXT: liveins: $x10, $x11, $x12, $x13 |
| ; RV64I-NEXT: {{ $}} |
| ; RV64I-NEXT: [[COPY:%[0-9]+]]:gpr = COPY $x13 |
| ; RV64I-NEXT: [[COPY1:%[0-9]+]]:gpr = COPY $x12 |
| ; RV64I-NEXT: [[COPY2:%[0-9]+]]:gpr = COPY $x11 |
| ; RV64I-NEXT: [[COPY3:%[0-9]+]]:gpr = COPY $x10 |
| ; RV64I-NEXT: [[ANDI:%[0-9]+]]:gpr = ANDI [[COPY3]], 1 |
| ; RV64I-NEXT: [[COPY4:%[0-9]+]]:gpr = COPY $x0 |
| ; RV64I-NEXT: [[ADDI:%[0-9]+]]:gpr = ADDI [[COPY3]], 1 |
| ; RV64I-NEXT: DBG_VALUE [[ADDI]], $noreg |
| ; RV64I-NEXT: BNE [[ANDI]], [[COPY4]], %bb.2 |
| ; RV64I-NEXT: {{ $}} |
| ; RV64I-NEXT: .1: |
| ; RV64I-NEXT: {{ $}} |
| ; RV64I-NEXT: .2: |
| ; RV64I-NEXT: [[PHI:%[0-9]+]]:gpr = PHI [[COPY2]], %bb.0, [[COPY1]], %bb.1 |
| ; RV64I-NEXT: [[PHI1:%[0-9]+]]:gpr = PHI [[COPY]], %bb.0, [[COPY1]], %bb.1 |
| ; RV64I-NEXT: DBG_VALUE [[PHI]], $noreg |
| ; RV64I-NEXT: DBG_VALUE [[PHI1]], $noreg |
| ; RV64I-NEXT: [[ADD:%[0-9]+]]:gpr = ADD [[PHI]], killed [[PHI1]] |
| ; RV64I-NEXT: $x10 = COPY [[ADD]] |
| ; RV64I-NEXT: PseudoRET implicit $x10 |
| %3:gpr = COPY $x13 |
| %2:gpr = COPY $x12 |
| %1:gpr = COPY $x11 |
| %0:gpr = COPY $x10 |
| %5:gpr = ANDI %0, 1 |
| %6:gpr = COPY $x0 |
| %7:gpr = Select_GPR_Using_CC_GPR %5, %6, 1, %1, %2 |
| DBG_VALUE %7, $noreg |
| %8:gpr = ADDI %0, 1 |
| DBG_VALUE %8, $noreg |
| %9:gpr = Select_GPR_Using_CC_GPR %5, %6, 1, %3, %2 |
| DBG_VALUE %9, $noreg |
| %10:gpr = ADD %7, killed %9 |
| $x10 = COPY %10 |
| PseudoRET implicit $x10 |
| |
| ... |
| --- |
