| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 6 |
| # RUN: llc -mtriple=aarch64 -mcpu=apple-m1 -run-pass=early-ifcvt -o - %s | FileCheck %s --check-prefixes=CHECK-COMMON,CHECK-DEFAULT |
| # RUN: llc -mtriple=aarch64 -mcpu=apple-m1 -run-pass=early-ifcvt -enable-early-ifcvt-data-dependent -o - %s | FileCheck %s --check-prefixes=CHECK-COMMON,CHECK-DATA-DEPENDENT |
| |
| --- | |
| define i32 @arg_to_cond_branch(i32 %val, i32 %x, i32 %y) { |
| ret i32 0 |
| } |
| define i32 @load_from_constant_pool_to_cond_branch(ptr %p, i32 %x, i32 %y) { |
| ret i32 0 |
| } |
| define i32 @load_from_constant_pool_to_cond_branch_with_cbz(ptr %p, i32 %x, i32 %y) { |
| ret i32 0 |
| } |
| define i32 @load_to_cond_branch(ptr %p, i32 %x, i32 %y) { |
| ret i32 0 |
| } |
| define i32 @cbz_arg_to_cond_branch(i32 %val, i32 %x, i32 %y) { |
| ret i32 0 |
| } |
| define i32 @cbz_load_to_cond_branch(ptr %p, i32 %x, i32 %y) { |
| ret i32 0 |
| } |
| define i32 @tbz_arg_to_cond_branch(i32 %val, i32 %x, i32 %y) { |
| ret i32 0 |
| } |
| define i32 @tbz_load_to_cond_branch(ptr %p, i32 %x, i32 %y) { |
| ret i32 0 |
| } |
| define i32 @mixed_cp_and_mem_load_to_cond_branch(ptr %p, i32 %x, i32 %y) { |
| ret i32 0 |
| } |
| define i32 @hot_branch_load_to_cond_branch(ptr %p, i32 %x, i32 %y) { |
| ret i32 0 |
| } |
| define i32 @invariant_load_to_cond_branch(ptr %p, i32 %x, i32 %y) { |
| ret i32 0 |
| } |
| define i32 @load_outside_loop_branch_inside(ptr %p, i32 %x, i32 %y) { |
| ret i32 0 |
| } |
| define i32 @load_inside_loop_branch_inside(ptr %p, i32 %x, i32 %y) { |
| ret i32 0 |
| } |
| define i32 @load_branch_separate_bbs_in_loop(ptr %p, i32 %x, i32 %y) { |
| ret i32 0 |
| } |
| define i32 @call_between_load_and_branch(ptr %p, i32 %x, i32 %y) { |
| ret i32 0 |
| } |
| declare void @foo() |
| ... |
| --- |
| name: arg_to_cond_branch |
| alignment: 4 |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-COMMON-LABEL: name: arg_to_cond_branch |
| ; CHECK-COMMON: bb.0: |
| ; CHECK-COMMON-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; CHECK-COMMON-NEXT: liveins: $w0, $w1, $w2 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[COPY:%[0-9]+]]:gpr32common = COPY $w0 |
| ; CHECK-COMMON-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-COMMON-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-COMMON-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[COPY]], 100, 0, implicit-def $nzcv |
| ; CHECK-COMMON-NEXT: Bcc 12, %bb.2, implicit $nzcv |
| ; CHECK-COMMON-NEXT: B %bb.1 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.1: |
| ; CHECK-COMMON-NEXT: successors: %bb.2(0x80000000) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-COMMON-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.2: |
| ; CHECK-COMMON-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY1]], %bb.0, [[MADDWrrr1]], %bb.1 |
| ; CHECK-COMMON-NEXT: $w0 = COPY [[PHI]] |
| ; CHECK-COMMON-NEXT: RET_ReallyLR implicit $w0 |
| |
| bb.1: |
| successors: %bb.2(0x40000000), %bb.3(0x40000000) |
| liveins: $w0, $w1, $w2 |
| |
| %0:gpr32common = COPY $w0 |
| %1:gpr32 = COPY $w1 |
| %2:gpr32 = COPY $w2 |
| %3:gpr32 = SUBSWri %0, 100, 0, implicit-def $nzcv |
| Bcc 12, %bb.3, implicit $nzcv |
| B %bb.2 |
| |
| bb.2: |
| successors: %bb.3(0x80000000) |
| |
| %4:gpr32 = MADDWrrr %1, %2, $wzr |
| %5:gpr32 = MADDWrrr %4, %1, $wzr |
| |
| bb.3: |
| %6:gpr32 = PHI %1, %bb.1, %5, %bb.2 |
| $w0 = COPY %6 |
| RET_ReallyLR implicit $w0 |
| ... |
| --- |
| name: load_from_constant_pool_to_cond_branch |
| alignment: 4 |
| tracksRegLiveness: true |
| constants: |
| - id: 0 |
| value: i32 100 |
| alignment: 4 |
| body: | |
| ; CHECK-COMMON-LABEL: name: load_from_constant_pool_to_cond_branch |
| ; CHECK-COMMON: bb.0: |
| ; CHECK-COMMON-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; CHECK-COMMON-NEXT: liveins: $w0, $w1, $w2 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[COPY:%[0-9]+]]:gpr32 = COPY $w0 |
| ; CHECK-COMMON-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-COMMON-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-COMMON-NEXT: renamable $x8 = ADRP target-flags(aarch64-page) %const.0 |
| ; CHECK-COMMON-NEXT: [[LDRWui:%[0-9]+]]:gpr32common = LDRWui killed renamable $x8, target-flags(aarch64-pageoff, aarch64-nc) %const.0 :: (load (s32) from constant-pool) |
| ; CHECK-COMMON-NEXT: [[SUBSWrr:%[0-9]+]]:gpr32 = SUBSWrr [[COPY]], [[LDRWui]], implicit-def $nzcv |
| ; CHECK-COMMON-NEXT: Bcc 12, %bb.2, implicit $nzcv |
| ; CHECK-COMMON-NEXT: B %bb.1 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.1: |
| ; CHECK-COMMON-NEXT: successors: %bb.2(0x80000000) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-COMMON-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.2: |
| ; CHECK-COMMON-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY1]], %bb.0, [[MADDWrrr1]], %bb.1 |
| ; CHECK-COMMON-NEXT: $w0 = COPY [[PHI]] |
| ; CHECK-COMMON-NEXT: RET_ReallyLR implicit $w0 |
| bb.0: |
| successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| liveins: $w0, $w1, $w2 |
| |
| %0:gpr32 = COPY $w0 |
| %1:gpr32 = COPY $w1 |
| %2:gpr32 = COPY $w2 |
| renamable $x8 = ADRP target-flags(aarch64-page) %const.0 |
| %3:gpr32common = LDRWui killed renamable $x8, target-flags(aarch64-pageoff, aarch64-nc) %const.0 :: (load (s32) from constant-pool) |
| %4:gpr32 = SUBSWrr %0, %3, implicit-def $nzcv |
| Bcc 12, %bb.2, implicit $nzcv |
| B %bb.1 |
| |
| bb.1: |
| successors: %bb.2(0x80000000) |
| |
| %5:gpr32 = MADDWrrr %1, %2, $wzr |
| %6:gpr32 = MADDWrrr %5, %1, $wzr |
| |
| bb.2: |
| %7:gpr32 = PHI %1, %bb.0, %6, %bb.1 |
| $w0 = COPY %7 |
| RET_ReallyLR implicit $w0 |
| ... |
| --- |
| name: load_from_constant_pool_to_cond_branch_with_cbz |
| alignment: 4 |
| tracksRegLiveness: true |
| constants: |
| - id: 0 |
| value: i32 100 |
| alignment: 4 |
| body: | |
| ; CHECK-COMMON-LABEL: name: load_from_constant_pool_to_cond_branch_with_cbz |
| ; CHECK-COMMON: bb.0: |
| ; CHECK-COMMON-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; CHECK-COMMON-NEXT: liveins: $w0, $w1 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[COPY:%[0-9]+]]:gpr32 = COPY $w0 |
| ; CHECK-COMMON-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-COMMON-NEXT: renamable $x8 = ADRP target-flags(aarch64-page) %const.0 |
| ; CHECK-COMMON-NEXT: [[LDRWui:%[0-9]+]]:gpr32common = LDRWui killed renamable $x8, target-flags(aarch64-pageoff, aarch64-nc) %const.0 :: (load (s32) from constant-pool) |
| ; CHECK-COMMON-NEXT: CBZW [[LDRWui]], %bb.2 |
| ; CHECK-COMMON-NEXT: B %bb.1 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.1: |
| ; CHECK-COMMON-NEXT: successors: %bb.2(0x80000000) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY]], [[COPY1]], $wzr |
| ; CHECK-COMMON-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY]], $wzr |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.2: |
| ; CHECK-COMMON-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY]], %bb.0, [[MADDWrrr1]], %bb.1 |
| ; CHECK-COMMON-NEXT: $w0 = COPY [[PHI]] |
| ; CHECK-COMMON-NEXT: RET_ReallyLR implicit $w0 |
| bb.0: |
| successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| liveins: $w0, $w1 |
| |
| %0:gpr32 = COPY $w0 |
| %1:gpr32 = COPY $w1 |
| renamable $x8 = ADRP target-flags(aarch64-page) %const.0 |
| %2:gpr32common = LDRWui killed renamable $x8, target-flags(aarch64-pageoff, aarch64-nc) %const.0 :: (load (s32) from constant-pool) |
| CBZW %2, %bb.2 |
| B %bb.1 |
| |
| bb.1: |
| successors: %bb.2(0x80000000) |
| |
| %3:gpr32 = MADDWrrr %0, %1, $wzr |
| %4:gpr32 = MADDWrrr %3, %0, $wzr |
| |
| bb.2: |
| %5:gpr32 = PHI %0, %bb.0, %4, %bb.1 |
| $w0 = COPY %5 |
| RET_ReallyLR implicit $w0 |
| ... |
| --- |
| name: load_to_cond_branch |
| alignment: 4 |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-DEFAULT-LABEL: name: load_to_cond_branch |
| ; CHECK-DEFAULT: bb.0: |
| ; CHECK-DEFAULT-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; CHECK-DEFAULT-NEXT: liveins: $x0, $w1, $w2 |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0 |
| ; CHECK-DEFAULT-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-DEFAULT-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-DEFAULT-NEXT: [[LDRWui:%[0-9]+]]:gpr32common = LDRWui [[COPY]], 0 :: (load (s32)) |
| ; CHECK-DEFAULT-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[LDRWui]], 100, 0, implicit-def $nzcv |
| ; CHECK-DEFAULT-NEXT: Bcc 12, %bb.2, implicit $nzcv |
| ; CHECK-DEFAULT-NEXT: B %bb.1 |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: bb.1: |
| ; CHECK-DEFAULT-NEXT: successors: %bb.2(0x80000000) |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-DEFAULT-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: bb.2: |
| ; CHECK-DEFAULT-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY1]], %bb.0, [[MADDWrrr1]], %bb.1 |
| ; CHECK-DEFAULT-NEXT: $w0 = COPY [[PHI]] |
| ; CHECK-DEFAULT-NEXT: RET_ReallyLR implicit $w0 |
| ; |
| ; CHECK-DATA-DEPENDENT-LABEL: name: load_to_cond_branch |
| ; CHECK-DATA-DEPENDENT: bb.0: |
| ; CHECK-DATA-DEPENDENT-NEXT: liveins: $x0, $w1, $w2 |
| ; CHECK-DATA-DEPENDENT-NEXT: {{ $}} |
| ; CHECK-DATA-DEPENDENT-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0 |
| ; CHECK-DATA-DEPENDENT-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-DATA-DEPENDENT-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-DATA-DEPENDENT-NEXT: [[LDRWui:%[0-9]+]]:gpr32common = LDRWui [[COPY]], 0 :: (load (s32)) |
| ; CHECK-DATA-DEPENDENT-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[LDRWui]], 100, 0, implicit-def $nzcv |
| ; CHECK-DATA-DEPENDENT-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-DATA-DEPENDENT-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-DATA-DEPENDENT-NEXT: [[CSELWr:%[0-9]+]]:gpr32 = CSELWr [[COPY1]], [[MADDWrrr1]], 12, implicit $nzcv |
| ; CHECK-DATA-DEPENDENT-NEXT: $w0 = COPY [[CSELWr]] |
| ; CHECK-DATA-DEPENDENT-NEXT: RET_ReallyLR implicit $w0 |
| bb.1: |
| successors: %bb.2(0x40000000), %bb.3(0x40000000) |
| liveins: $x0, $w1, $w2 |
| |
| %0:gpr64common = COPY $x0 |
| %1:gpr32 = COPY $w1 |
| %2:gpr32 = COPY $w2 |
| %3:gpr32common = LDRWui %0, 0 :: (load (s32)) |
| %4:gpr32 = SUBSWri %3, 100, 0, implicit-def $nzcv |
| Bcc 12, %bb.3, implicit $nzcv |
| B %bb.2 |
| |
| bb.2: |
| successors: %bb.3(0x80000000) |
| |
| %5:gpr32 = MADDWrrr %1, %2, $wzr |
| %6:gpr32 = MADDWrrr %5, %1, $wzr |
| |
| bb.3: |
| %7:gpr32 = PHI %1, %bb.1, %6, %bb.2 |
| $w0 = COPY %7 |
| RET_ReallyLR implicit $w0 |
| ... |
| --- |
| name: cbz_arg_to_cond_branch |
| alignment: 4 |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-COMMON-LABEL: name: cbz_arg_to_cond_branch |
| ; CHECK-COMMON: bb.0: |
| ; CHECK-COMMON-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; CHECK-COMMON-NEXT: liveins: $w0, $w1, $w2 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[COPY:%[0-9]+]]:gpr32 = COPY $w0 |
| ; CHECK-COMMON-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-COMMON-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-COMMON-NEXT: CBZW [[COPY]], %bb.2 |
| ; CHECK-COMMON-NEXT: B %bb.1 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.1: |
| ; CHECK-COMMON-NEXT: successors: %bb.2(0x80000000) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-COMMON-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.2: |
| ; CHECK-COMMON-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY1]], %bb.0, [[MADDWrrr1]], %bb.1 |
| ; CHECK-COMMON-NEXT: $w0 = COPY [[PHI]] |
| ; CHECK-COMMON-NEXT: RET_ReallyLR implicit $w0 |
| bb.0: |
| successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| liveins: $w0, $w1, $w2 |
| |
| %0:gpr32 = COPY $w0 |
| %1:gpr32 = COPY $w1 |
| %2:gpr32 = COPY $w2 |
| CBZW %0, %bb.2 |
| B %bb.1 |
| |
| bb.1: |
| successors: %bb.2(0x80000000) |
| |
| %3:gpr32 = MADDWrrr %1, %2, $wzr |
| %4:gpr32 = MADDWrrr %3, %1, $wzr |
| |
| bb.2: |
| %5:gpr32 = PHI %1, %bb.0, %4, %bb.1 |
| $w0 = COPY %5 |
| RET_ReallyLR implicit $w0 |
| ... |
| --- |
| name: cbz_load_to_cond_branch |
| alignment: 4 |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-DEFAULT-LABEL: name: cbz_load_to_cond_branch |
| ; CHECK-DEFAULT: bb.0: |
| ; CHECK-DEFAULT-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; CHECK-DEFAULT-NEXT: liveins: $x0, $w1, $w2 |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0 |
| ; CHECK-DEFAULT-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-DEFAULT-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-DEFAULT-NEXT: [[LDRWui:%[0-9]+]]:gpr32 = LDRWui [[COPY]], 0 :: (load (s32)) |
| ; CHECK-DEFAULT-NEXT: CBZW [[LDRWui]], %bb.2 |
| ; CHECK-DEFAULT-NEXT: B %bb.1 |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: bb.1: |
| ; CHECK-DEFAULT-NEXT: successors: %bb.2(0x80000000) |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-DEFAULT-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: bb.2: |
| ; CHECK-DEFAULT-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY1]], %bb.0, [[MADDWrrr1]], %bb.1 |
| ; CHECK-DEFAULT-NEXT: $w0 = COPY [[PHI]] |
| ; CHECK-DEFAULT-NEXT: RET_ReallyLR implicit $w0 |
| ; |
| ; CHECK-DATA-DEPENDENT-LABEL: name: cbz_load_to_cond_branch |
| ; CHECK-DATA-DEPENDENT: bb.0: |
| ; CHECK-DATA-DEPENDENT-NEXT: liveins: $x0, $w1, $w2 |
| ; CHECK-DATA-DEPENDENT-NEXT: {{ $}} |
| ; CHECK-DATA-DEPENDENT-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0 |
| ; CHECK-DATA-DEPENDENT-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-DATA-DEPENDENT-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-DATA-DEPENDENT-NEXT: [[LDRWui:%[0-9]+]]:gpr32common = LDRWui [[COPY]], 0 :: (load (s32)) |
| ; CHECK-DATA-DEPENDENT-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-DATA-DEPENDENT-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-DATA-DEPENDENT-NEXT: $wzr = SUBSWri [[LDRWui]], 0, 0, implicit-def $nzcv |
| ; CHECK-DATA-DEPENDENT-NEXT: [[CSELWr:%[0-9]+]]:gpr32 = CSELWr [[COPY1]], [[MADDWrrr1]], 0, implicit $nzcv |
| ; CHECK-DATA-DEPENDENT-NEXT: $w0 = COPY [[CSELWr]] |
| ; CHECK-DATA-DEPENDENT-NEXT: RET_ReallyLR implicit $w0 |
| bb.0: |
| successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| liveins: $x0, $w1, $w2 |
| |
| %0:gpr64common = COPY $x0 |
| %1:gpr32 = COPY $w1 |
| %2:gpr32 = COPY $w2 |
| %3:gpr32 = LDRWui %0, 0 :: (load (s32)) |
| CBZW %3, %bb.2 |
| B %bb.1 |
| |
| bb.1: |
| successors: %bb.2(0x80000000) |
| |
| %4:gpr32 = MADDWrrr %1, %2, $wzr |
| %5:gpr32 = MADDWrrr %4, %1, $wzr |
| |
| bb.2: |
| %6:gpr32 = PHI %1, %bb.0, %5, %bb.1 |
| $w0 = COPY %6 |
| RET_ReallyLR implicit $w0 |
| |
| ... |
| --- |
| name: tbz_arg_to_cond_branch |
| alignment: 4 |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-COMMON-LABEL: name: tbz_arg_to_cond_branch |
| ; CHECK-COMMON: bb.0: |
| ; CHECK-COMMON-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; CHECK-COMMON-NEXT: liveins: $w0, $w1, $w2 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[COPY:%[0-9]+]]:gpr32 = COPY $w0 |
| ; CHECK-COMMON-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-COMMON-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-COMMON-NEXT: TBZW [[COPY]], 0, %bb.2 |
| ; CHECK-COMMON-NEXT: B %bb.1 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.1: |
| ; CHECK-COMMON-NEXT: successors: %bb.2(0x80000000) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-COMMON-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.2: |
| ; CHECK-COMMON-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY1]], %bb.0, [[MADDWrrr1]], %bb.1 |
| ; CHECK-COMMON-NEXT: $w0 = COPY [[PHI]] |
| ; CHECK-COMMON-NEXT: RET_ReallyLR implicit $w0 |
| bb.0: |
| successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| liveins: $w0, $w1, $w2 |
| |
| %0:gpr32 = COPY $w0 |
| %1:gpr32 = COPY $w1 |
| %2:gpr32 = COPY $w2 |
| TBZW %0, 0, %bb.2 |
| B %bb.1 |
| |
| bb.1: |
| successors: %bb.2(0x80000000) |
| |
| %3:gpr32 = MADDWrrr %1, %2, $wzr |
| %4:gpr32 = MADDWrrr %3, %1, $wzr |
| |
| bb.2: |
| %5:gpr32 = PHI %1, %bb.0, %4, %bb.1 |
| $w0 = COPY %5 |
| RET_ReallyLR implicit $w0 |
| ... |
| --- |
| name: tbz_load_to_cond_branch |
| alignment: 4 |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-DEFAULT-LABEL: name: tbz_load_to_cond_branch |
| ; CHECK-DEFAULT: bb.0: |
| ; CHECK-DEFAULT-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; CHECK-DEFAULT-NEXT: liveins: $x0, $w1, $w2 |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0 |
| ; CHECK-DEFAULT-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-DEFAULT-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-DEFAULT-NEXT: [[LDRWui:%[0-9]+]]:gpr32 = LDRWui [[COPY]], 0 :: (load (s32)) |
| ; CHECK-DEFAULT-NEXT: TBZW [[LDRWui]], 0, %bb.2 |
| ; CHECK-DEFAULT-NEXT: B %bb.1 |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: bb.1: |
| ; CHECK-DEFAULT-NEXT: successors: %bb.2(0x80000000) |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-DEFAULT-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: bb.2: |
| ; CHECK-DEFAULT-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY1]], %bb.0, [[MADDWrrr1]], %bb.1 |
| ; CHECK-DEFAULT-NEXT: $w0 = COPY [[PHI]] |
| ; CHECK-DEFAULT-NEXT: RET_ReallyLR implicit $w0 |
| ; |
| ; CHECK-DATA-DEPENDENT-LABEL: name: tbz_load_to_cond_branch |
| ; CHECK-DATA-DEPENDENT: bb.0: |
| ; CHECK-DATA-DEPENDENT-NEXT: liveins: $x0, $w1, $w2 |
| ; CHECK-DATA-DEPENDENT-NEXT: {{ $}} |
| ; CHECK-DATA-DEPENDENT-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0 |
| ; CHECK-DATA-DEPENDENT-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-DATA-DEPENDENT-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-DATA-DEPENDENT-NEXT: [[LDRWui:%[0-9]+]]:gpr32 = LDRWui [[COPY]], 0 :: (load (s32)) |
| ; CHECK-DATA-DEPENDENT-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-DATA-DEPENDENT-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-DATA-DEPENDENT-NEXT: $wzr = ANDSWri [[LDRWui]], 0, implicit-def $nzcv |
| ; CHECK-DATA-DEPENDENT-NEXT: [[CSELWr:%[0-9]+]]:gpr32 = CSELWr [[COPY1]], [[MADDWrrr1]], 0, implicit $nzcv |
| ; CHECK-DATA-DEPENDENT-NEXT: $w0 = COPY [[CSELWr]] |
| ; CHECK-DATA-DEPENDENT-NEXT: RET_ReallyLR implicit $w0 |
| bb.0: |
| successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| liveins: $x0, $w1, $w2 |
| |
| %0:gpr64common = COPY $x0 |
| %1:gpr32 = COPY $w1 |
| %2:gpr32 = COPY $w2 |
| %3:gpr32 = LDRWui %0, 0 :: (load (s32)) |
| TBZW %3, 0, %bb.2 |
| B %bb.1 |
| |
| bb.1: |
| successors: %bb.2(0x80000000) |
| |
| %4:gpr32 = MADDWrrr %1, %2, $wzr |
| %5:gpr32 = MADDWrrr %4, %1, $wzr |
| |
| bb.2: |
| %6:gpr32 = PHI %1, %bb.0, %5, %bb.1 |
| $w0 = COPY %6 |
| RET_ReallyLR implicit $w0 |
| ... |
| --- |
| name: mixed_cp_and_mem_load_to_cond_branch |
| alignment: 4 |
| tracksRegLiveness: true |
| constants: |
| - id: 0 |
| value: i32 100 |
| alignment: 4 |
| body: | |
| ; CHECK-DEFAULT-LABEL: name: mixed_cp_and_mem_load_to_cond_branch |
| ; CHECK-DEFAULT: bb.0: |
| ; CHECK-DEFAULT-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; CHECK-DEFAULT-NEXT: liveins: $x0, $w1, $w2 |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0 |
| ; CHECK-DEFAULT-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-DEFAULT-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-DEFAULT-NEXT: [[LDRWui:%[0-9]+]]:gpr32 = LDRWui [[COPY]], 0 :: (load (s32)) |
| ; CHECK-DEFAULT-NEXT: renamable $x8 = ADRP target-flags(aarch64-page) %const.0 |
| ; CHECK-DEFAULT-NEXT: [[LDRWui1:%[0-9]+]]:gpr32common = LDRWui killed renamable $x8, target-flags(aarch64-pageoff, aarch64-nc) %const.0 :: (load (s32) from constant-pool) |
| ; CHECK-DEFAULT-NEXT: [[SUBSWrr:%[0-9]+]]:gpr32 = SUBSWrr [[LDRWui]], [[LDRWui1]], implicit-def $nzcv |
| ; CHECK-DEFAULT-NEXT: Bcc 12, %bb.2, implicit $nzcv |
| ; CHECK-DEFAULT-NEXT: B %bb.1 |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: bb.1: |
| ; CHECK-DEFAULT-NEXT: successors: %bb.2(0x80000000) |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-DEFAULT-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: bb.2: |
| ; CHECK-DEFAULT-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY1]], %bb.0, [[MADDWrrr1]], %bb.1 |
| ; CHECK-DEFAULT-NEXT: $w0 = COPY [[PHI]] |
| ; CHECK-DEFAULT-NEXT: RET_ReallyLR implicit $w0 |
| ; |
| ; CHECK-DATA-DEPENDENT-LABEL: name: mixed_cp_and_mem_load_to_cond_branch |
| ; CHECK-DATA-DEPENDENT: bb.0: |
| ; CHECK-DATA-DEPENDENT-NEXT: liveins: $x0, $w1, $w2 |
| ; CHECK-DATA-DEPENDENT-NEXT: {{ $}} |
| ; CHECK-DATA-DEPENDENT-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0 |
| ; CHECK-DATA-DEPENDENT-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-DATA-DEPENDENT-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-DATA-DEPENDENT-NEXT: [[LDRWui:%[0-9]+]]:gpr32 = LDRWui [[COPY]], 0 :: (load (s32)) |
| ; CHECK-DATA-DEPENDENT-NEXT: renamable $x8 = ADRP target-flags(aarch64-page) %const.0 |
| ; CHECK-DATA-DEPENDENT-NEXT: [[LDRWui1:%[0-9]+]]:gpr32common = LDRWui killed renamable $x8, target-flags(aarch64-pageoff, aarch64-nc) %const.0 :: (load (s32) from constant-pool) |
| ; CHECK-DATA-DEPENDENT-NEXT: [[SUBSWrr:%[0-9]+]]:gpr32 = SUBSWrr [[LDRWui]], [[LDRWui1]], implicit-def $nzcv |
| ; CHECK-DATA-DEPENDENT-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-DATA-DEPENDENT-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-DATA-DEPENDENT-NEXT: [[CSELWr:%[0-9]+]]:gpr32 = CSELWr [[COPY1]], [[MADDWrrr1]], 12, implicit $nzcv |
| ; CHECK-DATA-DEPENDENT-NEXT: $w0 = COPY [[CSELWr]] |
| ; CHECK-DATA-DEPENDENT-NEXT: RET_ReallyLR implicit $w0 |
| bb.0: |
| successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| liveins: $x0, $w1, $w2 |
| |
| %0:gpr64common = COPY $x0 |
| %1:gpr32 = COPY $w1 |
| %2:gpr32 = COPY $w2 |
| %3:gpr32 = LDRWui %0, 0 :: (load (s32)) |
| renamable $x8 = ADRP target-flags(aarch64-page) %const.0 |
| %4:gpr32common = LDRWui killed renamable $x8, target-flags(aarch64-pageoff, aarch64-nc) %const.0 :: (load (s32) from constant-pool) |
| %5:gpr32 = SUBSWrr %3, %4, implicit-def $nzcv |
| Bcc 12, %bb.2, implicit $nzcv |
| B %bb.1 |
| |
| bb.1: |
| successors: %bb.2(0x80000000) |
| |
| %6:gpr32 = MADDWrrr %1, %2, $wzr |
| %7:gpr32 = MADDWrrr %6, %1, $wzr |
| |
| bb.2: |
| %8:gpr32 = PHI %1, %bb.0, %7, %bb.1 |
| $w0 = COPY %8 |
| RET_ReallyLR implicit $w0 |
| ... |
| --- |
| name: hot_branch_load_to_cond_branch |
| alignment: 4 |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-COMMON-LABEL: name: hot_branch_load_to_cond_branch |
| ; CHECK-COMMON: bb.0: |
| ; CHECK-COMMON-NEXT: successors: %bb.1(0x30000000), %bb.2(0x50000000) |
| ; CHECK-COMMON-NEXT: liveins: $x0, $w1, $w2 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0 |
| ; CHECK-COMMON-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-COMMON-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-COMMON-NEXT: [[LDRWui:%[0-9]+]]:gpr32common = LDRWui [[COPY]], 0 :: (load (s32)) |
| ; CHECK-COMMON-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[LDRWui]], 100, 0, implicit-def $nzcv |
| ; CHECK-COMMON-NEXT: Bcc 12, %bb.2, implicit $nzcv |
| ; CHECK-COMMON-NEXT: B %bb.1 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.1: |
| ; CHECK-COMMON-NEXT: successors: %bb.2(0x80000000) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-COMMON-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.2: |
| ; CHECK-COMMON-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY1]], %bb.0, [[MADDWrrr1]], %bb.1 |
| ; CHECK-COMMON-NEXT: $w0 = COPY [[PHI]] |
| ; CHECK-COMMON-NEXT: RET_ReallyLR implicit $w0 |
| bb.0: |
| successors: %bb.1(0x30000000), %bb.2(0x50000000) |
| liveins: $x0, $w1, $w2 |
| |
| %0:gpr64common = COPY $x0 |
| %1:gpr32 = COPY $w1 |
| %2:gpr32 = COPY $w2 |
| %3:gpr32common = LDRWui %0, 0 :: (load (s32)) |
| %4:gpr32 = SUBSWri %3, 100, 0, implicit-def $nzcv |
| Bcc 12, %bb.2, implicit $nzcv |
| B %bb.1 |
| |
| bb.1: |
| successors: %bb.2(0x80000000) |
| |
| %5:gpr32 = MADDWrrr %1, %2, $wzr |
| %6:gpr32 = MADDWrrr %5, %1, $wzr |
| |
| bb.2: |
| %7:gpr32 = PHI %1, %bb.0, %6, %bb.1 |
| $w0 = COPY %7 |
| RET_ReallyLR implicit $w0 |
| ... |
| --- |
| name: invariant_load_to_cond_branch |
| alignment: 4 |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-COMMON-LABEL: name: invariant_load_to_cond_branch |
| ; CHECK-COMMON: bb.0: |
| ; CHECK-COMMON-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; CHECK-COMMON-NEXT: liveins: $x0, $w1, $w2 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0 |
| ; CHECK-COMMON-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-COMMON-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-COMMON-NEXT: [[LDRWui:%[0-9]+]]:gpr32common = LDRWui [[COPY]], 0 :: (dereferenceable invariant load (s32)) |
| ; CHECK-COMMON-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[LDRWui]], 100, 0, implicit-def $nzcv |
| ; CHECK-COMMON-NEXT: Bcc 12, %bb.2, implicit $nzcv |
| ; CHECK-COMMON-NEXT: B %bb.1 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.1: |
| ; CHECK-COMMON-NEXT: successors: %bb.2(0x80000000) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-COMMON-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.2: |
| ; CHECK-COMMON-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY1]], %bb.0, [[MADDWrrr1]], %bb.1 |
| ; CHECK-COMMON-NEXT: $w0 = COPY [[PHI]] |
| ; CHECK-COMMON-NEXT: RET_ReallyLR implicit $w0 |
| bb.0: |
| successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| liveins: $x0, $w1, $w2 |
| |
| %0:gpr64common = COPY $x0 |
| %1:gpr32 = COPY $w1 |
| %2:gpr32 = COPY $w2 |
| %3:gpr32common = LDRWui %0, 0 :: (dereferenceable invariant load (s32)) |
| %4:gpr32 = SUBSWri %3, 100, 0, implicit-def $nzcv |
| Bcc 12, %bb.2, implicit $nzcv |
| B %bb.1 |
| |
| bb.1: |
| successors: %bb.2(0x80000000) |
| |
| %5:gpr32 = MADDWrrr %1, %2, $wzr |
| %6:gpr32 = MADDWrrr %5, %1, $wzr |
| |
| bb.2: |
| %7:gpr32 = PHI %1, %bb.0, %6, %bb.1 |
| $w0 = COPY %7 |
| RET_ReallyLR implicit $w0 |
| ... |
| --- |
| name: load_outside_loop_branch_inside |
| alignment: 4 |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-COMMON-LABEL: name: load_outside_loop_branch_inside |
| ; CHECK-COMMON: bb.0: |
| ; CHECK-COMMON-NEXT: successors: %bb.1(0x80000000) |
| ; CHECK-COMMON-NEXT: liveins: $x0, $w1, $w2 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0 |
| ; CHECK-COMMON-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-COMMON-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-COMMON-NEXT: [[LDRWui:%[0-9]+]]:gpr32common = LDRWui [[COPY]], 0 :: (load (s32)) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.1: |
| ; CHECK-COMMON-NEXT: successors: %bb.2(0x40000000), %bb.3(0x40000000) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[LDRWui]], 100, 0, implicit-def $nzcv |
| ; CHECK-COMMON-NEXT: Bcc 12, %bb.3, implicit $nzcv |
| ; CHECK-COMMON-NEXT: B %bb.2 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.2: |
| ; CHECK-COMMON-NEXT: successors: %bb.3(0x80000000) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-COMMON-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.3: |
| ; CHECK-COMMON-NEXT: successors: %bb.1(0x7c000000), %bb.4(0x04000000) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[PHI:%[0-9]+]]:gpr32sp = PHI [[COPY1]], %bb.1, [[MADDWrrr1]], %bb.2 |
| ; CHECK-COMMON-NEXT: [[SUBSWri1:%[0-9]+]]:gpr32 = SUBSWri [[PHI]], 0, 0, implicit-def $nzcv |
| ; CHECK-COMMON-NEXT: Bcc 12, %bb.1, implicit $nzcv |
| ; CHECK-COMMON-NEXT: B %bb.4 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.4: |
| ; CHECK-COMMON-NEXT: $w0 = COPY [[PHI]] |
| ; CHECK-COMMON-NEXT: RET_ReallyLR implicit $w0 |
| bb.0: |
| successors: %bb.1(0x80000000) |
| liveins: $x0, $w1, $w2 |
| |
| %0:gpr64common = COPY $x0 |
| %1:gpr32 = COPY $w1 |
| %2:gpr32 = COPY $w2 |
| %3:gpr32common = LDRWui %0, 0 :: (load (s32)) |
| |
| bb.1: |
| successors: %bb.2(0x40000000), %bb.3(0x40000000) |
| |
| %4:gpr32 = SUBSWri %3, 100, 0, implicit-def $nzcv |
| Bcc 12, %bb.3, implicit $nzcv |
| B %bb.2 |
| |
| bb.2: |
| successors: %bb.3(0x80000000) |
| |
| %5:gpr32 = MADDWrrr %1, %2, $wzr |
| %6:gpr32 = MADDWrrr %5, %1, $wzr |
| |
| bb.3: |
| successors: %bb.1(0x7c000000), %bb.4(0x04000000) |
| |
| %7:gpr32sp = PHI %1, %bb.1, %6, %bb.2 |
| %8:gpr32 = SUBSWri %7, 0, 0, implicit-def $nzcv |
| Bcc 12, %bb.1, implicit $nzcv |
| B %bb.4 |
| |
| bb.4: |
| $w0 = COPY %7 |
| RET_ReallyLR implicit $w0 |
| ... |
| --- |
| name: load_inside_loop_branch_inside |
| alignment: 4 |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-DEFAULT-LABEL: name: load_inside_loop_branch_inside |
| ; CHECK-DEFAULT: bb.0: |
| ; CHECK-DEFAULT-NEXT: successors: %bb.1(0x80000000) |
| ; CHECK-DEFAULT-NEXT: liveins: $x0, $w1, $w2 |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0 |
| ; CHECK-DEFAULT-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-DEFAULT-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: bb.1: |
| ; CHECK-DEFAULT-NEXT: successors: %bb.2(0x40000000), %bb.3(0x40000000) |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: [[LDRWui:%[0-9]+]]:gpr32common = LDRWui [[COPY]], 0 :: (load (s32)) |
| ; CHECK-DEFAULT-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[LDRWui]], 100, 0, implicit-def $nzcv |
| ; CHECK-DEFAULT-NEXT: Bcc 12, %bb.3, implicit $nzcv |
| ; CHECK-DEFAULT-NEXT: B %bb.2 |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: bb.2: |
| ; CHECK-DEFAULT-NEXT: successors: %bb.3(0x80000000) |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-DEFAULT-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: bb.3: |
| ; CHECK-DEFAULT-NEXT: successors: %bb.1(0x7c000000), %bb.4(0x04000000) |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: [[PHI:%[0-9]+]]:gpr32sp = PHI [[COPY1]], %bb.1, [[MADDWrrr1]], %bb.2 |
| ; CHECK-DEFAULT-NEXT: [[SUBSWri1:%[0-9]+]]:gpr32 = SUBSWri [[PHI]], 0, 0, implicit-def $nzcv |
| ; CHECK-DEFAULT-NEXT: Bcc 12, %bb.1, implicit $nzcv |
| ; CHECK-DEFAULT-NEXT: B %bb.4 |
| ; CHECK-DEFAULT-NEXT: {{ $}} |
| ; CHECK-DEFAULT-NEXT: bb.4: |
| ; CHECK-DEFAULT-NEXT: $w0 = COPY [[PHI]] |
| ; CHECK-DEFAULT-NEXT: RET_ReallyLR implicit $w0 |
| ; |
| ; CHECK-DATA-DEPENDENT-LABEL: name: load_inside_loop_branch_inside |
| ; CHECK-DATA-DEPENDENT: bb.0: |
| ; CHECK-DATA-DEPENDENT-NEXT: successors: %bb.1(0x80000000) |
| ; CHECK-DATA-DEPENDENT-NEXT: liveins: $x0, $w1, $w2 |
| ; CHECK-DATA-DEPENDENT-NEXT: {{ $}} |
| ; CHECK-DATA-DEPENDENT-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0 |
| ; CHECK-DATA-DEPENDENT-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-DATA-DEPENDENT-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-DATA-DEPENDENT-NEXT: {{ $}} |
| ; CHECK-DATA-DEPENDENT-NEXT: bb.1: |
| ; CHECK-DATA-DEPENDENT-NEXT: successors: %bb.1(0x7c000000), %bb.4(0x04000000) |
| ; CHECK-DATA-DEPENDENT-NEXT: {{ $}} |
| ; CHECK-DATA-DEPENDENT-NEXT: [[LDRWui:%[0-9]+]]:gpr32common = LDRWui [[COPY]], 0 :: (load (s32)) |
| ; CHECK-DATA-DEPENDENT-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[LDRWui]], 100, 0, implicit-def $nzcv |
| ; CHECK-DATA-DEPENDENT-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-DATA-DEPENDENT-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-DATA-DEPENDENT-NEXT: [[CSELWr:%[0-9]+]]:gpr32common = CSELWr [[COPY1]], [[MADDWrrr1]], 12, implicit $nzcv |
| ; CHECK-DATA-DEPENDENT-NEXT: [[SUBSWri1:%[0-9]+]]:gpr32 = SUBSWri [[CSELWr]], 0, 0, implicit-def $nzcv |
| ; CHECK-DATA-DEPENDENT-NEXT: Bcc 12, %bb.1, implicit $nzcv |
| ; CHECK-DATA-DEPENDENT-NEXT: B %bb.4 |
| ; CHECK-DATA-DEPENDENT-NEXT: {{ $}} |
| ; CHECK-DATA-DEPENDENT-NEXT: bb.4: |
| ; CHECK-DATA-DEPENDENT-NEXT: $w0 = COPY [[CSELWr]] |
| ; CHECK-DATA-DEPENDENT-NEXT: RET_ReallyLR implicit $w0 |
| bb.0: |
| successors: %bb.1(0x80000000) |
| liveins: $x0, $w1, $w2 |
| |
| %0:gpr64common = COPY $x0 |
| %1:gpr32 = COPY $w1 |
| %2:gpr32 = COPY $w2 |
| |
| bb.1: |
| successors: %bb.2(0x40000000), %bb.3(0x40000000) |
| |
| %3:gpr32common = LDRWui %0, 0 :: (load (s32)) |
| %4:gpr32 = SUBSWri %3, 100, 0, implicit-def $nzcv |
| Bcc 12, %bb.3, implicit $nzcv |
| B %bb.2 |
| |
| bb.2: |
| successors: %bb.3(0x80000000) |
| |
| %5:gpr32 = MADDWrrr %1, %2, $wzr |
| %6:gpr32 = MADDWrrr %5, %1, $wzr |
| |
| bb.3: |
| successors: %bb.1(0x7c000000), %bb.4(0x04000000) |
| |
| %7:gpr32sp = PHI %1, %bb.1, %6, %bb.2 |
| %8:gpr32 = SUBSWri %7, 0, 0, implicit-def $nzcv |
| Bcc 12, %bb.1, implicit $nzcv |
| B %bb.4 |
| |
| bb.4: |
| $w0 = COPY %7 |
| RET_ReallyLR implicit $w0 |
| ... |
| --- |
| name: load_branch_separate_bbs_in_loop |
| alignment: 4 |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-COMMON-LABEL: name: load_branch_separate_bbs_in_loop |
| ; CHECK-COMMON: bb.0: |
| ; CHECK-COMMON-NEXT: successors: %bb.1(0x80000000) |
| ; CHECK-COMMON-NEXT: liveins: $x0, $w1, $w2 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0 |
| ; CHECK-COMMON-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-COMMON-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.1: |
| ; CHECK-COMMON-NEXT: successors: %bb.2(0x80000000) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[LDRWui:%[0-9]+]]:gpr32common = LDRWui [[COPY]], 0 :: (load (s32)) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.2: |
| ; CHECK-COMMON-NEXT: successors: %bb.3(0x40000000), %bb.4(0x40000000) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[LDRWui]], 100, 0, implicit-def $nzcv |
| ; CHECK-COMMON-NEXT: Bcc 12, %bb.4, implicit $nzcv |
| ; CHECK-COMMON-NEXT: B %bb.3 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.3: |
| ; CHECK-COMMON-NEXT: successors: %bb.4(0x80000000) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-COMMON-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.4: |
| ; CHECK-COMMON-NEXT: successors: %bb.1(0x7c000000), %bb.5(0x04000000) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[PHI:%[0-9]+]]:gpr32sp = PHI [[COPY1]], %bb.2, [[MADDWrrr1]], %bb.3 |
| ; CHECK-COMMON-NEXT: [[SUBSWri1:%[0-9]+]]:gpr32 = SUBSWri [[PHI]], 0, 0, implicit-def $nzcv |
| ; CHECK-COMMON-NEXT: Bcc 12, %bb.1, implicit $nzcv |
| ; CHECK-COMMON-NEXT: B %bb.5 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.5: |
| ; CHECK-COMMON-NEXT: $w0 = COPY [[PHI]] |
| ; CHECK-COMMON-NEXT: RET_ReallyLR implicit $w0 |
| bb.0: |
| successors: %bb.1(0x80000000) |
| liveins: $x0, $w1, $w2 |
| |
| %0:gpr64common = COPY $x0 |
| %1:gpr32 = COPY $w1 |
| %2:gpr32 = COPY $w2 |
| |
| bb.1: |
| successors: %bb.2(0x80000000) |
| |
| %3:gpr32common = LDRWui %0, 0 :: (load (s32)) |
| |
| bb.2: |
| successors: %bb.3(0x40000000), %bb.4(0x40000000) |
| |
| %4:gpr32 = SUBSWri %3, 100, 0, implicit-def $nzcv |
| Bcc 12, %bb.4, implicit $nzcv |
| B %bb.3 |
| |
| bb.3: |
| successors: %bb.4(0x80000000) |
| |
| %5:gpr32 = MADDWrrr %1, %2, $wzr |
| %6:gpr32 = MADDWrrr %5, %1, $wzr |
| |
| bb.4: |
| successors: %bb.1(0x7c000000), %bb.5(0x04000000) |
| |
| %7:gpr32sp = PHI %1, %bb.2, %6, %bb.3 |
| %8:gpr32 = SUBSWri %7, 0, 0, implicit-def $nzcv |
| Bcc 12, %bb.1, implicit $nzcv |
| B %bb.5 |
| |
| bb.5: |
| $w0 = COPY %7 |
| RET_ReallyLR implicit $w0 |
| ... |
| --- |
| name: call_between_load_and_branch |
| alignment: 4 |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-COMMON-LABEL: name: call_between_load_and_branch |
| ; CHECK-COMMON: bb.0: |
| ; CHECK-COMMON-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; CHECK-COMMON-NEXT: liveins: $x0, $w1, $w2 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[COPY:%[0-9]+]]:gpr64common = COPY $x0 |
| ; CHECK-COMMON-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w1 |
| ; CHECK-COMMON-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $w2 |
| ; CHECK-COMMON-NEXT: [[LDRWui:%[0-9]+]]:gpr32common = LDRWui [[COPY]], 0 :: (load (s32)) |
| ; CHECK-COMMON-NEXT: BL @foo, implicit-def $lr |
| ; CHECK-COMMON-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[LDRWui]], 100, 0, implicit-def $nzcv |
| ; CHECK-COMMON-NEXT: Bcc 12, %bb.2, implicit $nzcv |
| ; CHECK-COMMON-NEXT: B %bb.1 |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.1: |
| ; CHECK-COMMON-NEXT: successors: %bb.2(0x80000000) |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: [[MADDWrrr:%[0-9]+]]:gpr32 = MADDWrrr [[COPY1]], [[COPY2]], $wzr |
| ; CHECK-COMMON-NEXT: [[MADDWrrr1:%[0-9]+]]:gpr32 = MADDWrrr [[MADDWrrr]], [[COPY1]], $wzr |
| ; CHECK-COMMON-NEXT: {{ $}} |
| ; CHECK-COMMON-NEXT: bb.2: |
| ; CHECK-COMMON-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[COPY1]], %bb.0, [[MADDWrrr1]], %bb.1 |
| ; CHECK-COMMON-NEXT: $w0 = COPY [[PHI]] |
| ; CHECK-COMMON-NEXT: RET_ReallyLR implicit $w0 |
| bb.0: |
| successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| liveins: $x0, $w1, $w2 |
| |
| %0:gpr64common = COPY $x0 |
| %1:gpr32 = COPY $w1 |
| %2:gpr32 = COPY $w2 |
| %3:gpr32common = LDRWui %0, 0 :: (load (s32)) |
| BL @foo, implicit-def $lr |
| %4:gpr32 = SUBSWri %3, 100, 0, implicit-def $nzcv |
| Bcc 12, %bb.2, implicit $nzcv |
| B %bb.1 |
| |
| bb.1: |
| successors: %bb.2(0x80000000) |
| |
| %5:gpr32 = MADDWrrr %1, %2, $wzr |
| %6:gpr32 = MADDWrrr %5, %1, $wzr |
| |
| bb.2: |
| %7:gpr32 = PHI %1, %bb.0, %6, %bb.1 |
| $w0 = COPY %7 |
| RET_ReallyLR implicit $w0 |
