| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -mtriple=thumbv8.1m.main-none-eabi -mattr=+mve -run-pass=arm-block-placement %s -o - | FileCheck %s |
| --- | |
| ; Checks that loopExitBlock gets moved (in forward direction) if there is a backwards WLS to it. |
| define void @backwards_branch(i32 %N, i32* nocapture %a, i32* nocapture readonly %b) local_unnamed_addr #0 { |
| entry: |
| unreachable |
| } |
| |
| ; Checks that loopExitBlock does not get reordered (since it is entry block) even if there is a backwards WLS to it. |
| define void @backwards_branch_entry_block(i32 %N, i32* nocapture %a, i32* nocapture readonly %b) local_unnamed_addr #0 { |
| entry: |
| unreachable |
| } |
| |
| ; Checks that loopExitBlock (containing a backwards WLS) is moved (in forward direction) if there is a backwards WLS to it. |
| define void @backwards_branch_target_already_backwards(i32 %N, i32* nocapture %a, i32* nocapture readonly %b) local_unnamed_addr #0 { |
| entry: |
| unreachable |
| } |
| |
| define void @backwards_branch_sibling(i32 %N, i32 %M, i32* nocapture %a, i32* nocapture %b, i32* nocapture %c) local_unnamed_addr #0 { |
| entry: |
| unreachable |
| } |
| |
| ; Checks that loopExitBlock (to which a backwards LE exists) is not moved if moving it would cause the LE to become forwards branching. |
| define void @backwards_branch_forwards_le(i32 %N, i32 %M, i32* nocapture %a, i32* nocapture %b, i32* nocapture %c) local_unnamed_addr #0 { |
| entry: |
| unreachable |
| } |
| |
| ; Checks that a MachineFunction is unaffected if it doesn't contain any WLS (pseudo) instruction. |
| define void @no_preheader(i32 %N, i32 %M, i32* nocapture %a, i32* nocapture %b, i32* nocapture %c) local_unnamed_addr #0 { |
| entry: |
| unreachable |
| } |
| |
| ; Within a nested loop, checks that loopExit gets moved (in forward direction) if there exists a backwards WLS to it. |
| ; Both the WLS and loopExit are at depth=3. |
| define void @nested_loops(i32 %n, i32 %m, i32 %l, i8* noalias %X, i8* noalias %Y) local_unnamed_addr #0 { |
| entry: |
| unreachable |
| } |
| |
| declare dso_local i32 @g(...) local_unnamed_addr #1 |
| |
| declare dso_local i32 @h(...) local_unnamed_addr #1 |
| |
| ... |
| --- |
| name: backwards_branch |
| body: | |
| ; CHECK-LABEL: name: backwards_branch |
| ; CHECK: bb.0: |
| ; CHECK: successors: %bb.2(0x80000000) |
| ; CHECK: tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| ; CHECK: t2IT 11, 8, implicit-def $itstate |
| ; CHECK: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate |
| ; CHECK: bb.2: |
| ; CHECK: successors: %bb.3(0x80000000) |
| ; CHECK: $lr = t2WhileLoopStartLR killed renamable $r0, %bb.1, implicit-def dead $cpsr |
| ; CHECK: tB %bb.3, 14 /* CC::al */, $noreg |
| ; CHECK: bb.1: |
| ; CHECK: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc |
| ; CHECK: bb.3: |
| ; CHECK: successors: %bb.3(0x7c000000), %bb.1(0x04000000) |
| ; CHECK: renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg |
| ; CHECK: tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg |
| ; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr |
| ; CHECK: t2B %bb.1, 14 /* CC::al */, $noreg |
| bb.0: |
| successors: %bb.2(0x80000000) |
| liveins: $r0, $r1, $r2, $lr |
| |
| tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| t2IT 11, 8, implicit-def $itstate |
| frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate |
| |
| bb.1: |
| frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc |
| |
| bb.2: |
| successors: %bb.3(0x80000000) |
| liveins: $r0, $r1, $r2 |
| |
| $lr = t2WhileLoopStartLR killed renamable $r0, %bb.1, implicit-def dead $cpsr |
| |
| bb.3: |
| successors: %bb.3(0x7c000000), %bb.1(0x04000000) |
| liveins: $lr, $r1, $r2 |
| |
| renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg |
| tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg |
| renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr |
| t2B %bb.1, 14 /* CC::al */, $noreg |
| |
| ... |
| --- |
| name: backwards_branch_entry_block |
| body: | |
| ; CHECK-LABEL: name: backwards_branch_entry_block |
| ; CHECK: bb.0: |
| ; CHECK: successors: %bb.2(0x80000000) |
| ; CHECK: tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| ; CHECK: t2IT 11, 8, implicit-def $itstate |
| ; CHECK: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate |
| ; CHECK: bb.1: |
| ; CHECK: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc |
| ; CHECK: bb.2: |
| ; CHECK: successors: %bb.3(0x80000000) |
| ; CHECK: $lr = t2WhileLoopStartLR killed renamable $r0, %bb.0, implicit-def dead $cpsr |
| ; CHECK: bb.3: |
| ; CHECK: successors: %bb.3(0x7c000000), %bb.1(0x04000000) |
| ; CHECK: renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg |
| ; CHECK: tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg |
| ; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr |
| ; CHECK: t2B %bb.1, 14 /* CC::al */, $noreg |
| bb.0: |
| successors: %bb.2(0x80000000) |
| liveins: $r0, $r1, $r2, $lr |
| |
| tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| t2IT 11, 8, implicit-def $itstate |
| frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate |
| |
| bb.1: |
| frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc |
| |
| bb.2: |
| successors: %bb.3(0x80000000) |
| liveins: $r0, $r1, $r2 |
| |
| $lr = t2WhileLoopStartLR killed renamable $r0, %bb.0, implicit-def dead $cpsr |
| |
| bb.3: |
| successors: %bb.3(0x7c000000), %bb.1(0x04000000) |
| liveins: $lr, $r1, $r2 |
| |
| renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg |
| tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg |
| renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr |
| t2B %bb.1, 14 /* CC::al */, $noreg |
| |
| ... |
| --- |
| name: backwards_branch_target_already_backwards |
| body: | |
| ; CHECK-LABEL: name: backwards_branch_target_already_backwards |
| ; CHECK: bb.0: |
| ; CHECK: successors: %bb.2(0x50000000), %bb.1(0x30000000) |
| ; CHECK: tCMPi8 $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| ; CHECK: t2Bcc %bb.1, 11 /* CC::lt */, killed $cpsr |
| ; CHECK: t2B %bb.2, 14 /* CC::al */, $noreg |
| ; CHECK: bb.2: |
| ; CHECK: successors: %bb.3(0x80000000) |
| ; CHECK: $lr = tMOVr $r0, 14 /* CC::al */, $noreg |
| ; CHECK: renamable $r0 = t2ADDrs killed renamable $r2, killed $r0, 18, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: $lr = t2WhileLoopStartLR killed renamable $lr, %bb.1, implicit-def dead $cpsr |
| ; CHECK: tB %bb.3, 14 /* CC::al */, $noreg |
| ; CHECK: bb.1: |
| ; CHECK: successors: %bb.4(0x80000000) |
| ; CHECK: tCMPi8 renamable $r1, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| ; CHECK: t2IT 11, 8, implicit-def $itstate |
| ; CHECK: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate |
| ; CHECK: $lr = t2WhileLoopStartLR killed renamable $r1, %bb.0, implicit-def dead $cpsr |
| ; CHECK: t2B %bb.4, 14 /* CC::al */, $noreg |
| ; CHECK: bb.3: |
| ; CHECK: successors: %bb.3(0x7c000000), %bb.1(0x04000000) |
| ; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr |
| ; CHECK: t2B %bb.1, 14 /* CC::al */, $noreg |
| ; CHECK: bb.4: |
| ; CHECK: successors: %bb.5(0x80000000) |
| ; CHECK: renamable $r0 = t2ADDrs killed renamable $r3, renamable $r1, 18, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: $lr = t2WhileLoopStartLR killed renamable $r1, %bb.6, implicit-def dead $cpsr |
| ; CHECK: bb.5: |
| ; CHECK: successors: %bb.5(0x7c000000), %bb.6(0x04000000) |
| ; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr |
| ; CHECK: t2B %bb.6, 14 /* CC::al */, $noreg |
| ; CHECK: bb.6: |
| ; CHECK: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc |
| bb.0: |
| successors: %bb.1(0x50000000), %bb.3(0x30000000) |
| liveins: $r0, $r1, $r2, $r3, $lr |
| |
| tCMPi8 $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| t2Bcc %bb.3, 11 /* CC::lt */, killed $cpsr |
| t2B %bb.1, 14 /* CC::al */, $noreg |
| |
| bb.3: |
| successors: %bb.4(0x80000000) |
| liveins: $r1, $r3 |
| |
| tCMPi8 renamable $r1, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| t2IT 11, 8, implicit-def $itstate |
| frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate |
| $lr = t2WhileLoopStartLR killed renamable $r1, %bb.0, implicit-def dead $cpsr |
| t2B %bb.4, 14 /* CC::al */, $noreg |
| |
| bb.1: |
| successors: %bb.2(0x80000000) |
| liveins: $r0, $r1, $r2, $r3 |
| |
| $lr = tMOVr $r0, 14 /* CC::al */, $noreg |
| renamable $r0 = t2ADDrs killed renamable $r2, killed $r0, 18, 14 /* CC::al */, $noreg, $noreg |
| $lr = t2WhileLoopStartLR killed renamable $lr, %bb.3, implicit-def dead $cpsr |
| |
| bb.2: |
| successors: %bb.2(0x7c000000), %bb.3(0x04000000) |
| liveins: $lr, $r0, $r1, $r3 |
| |
| renamable $lr = t2LoopEndDec killed renamable $lr, %bb.2, implicit-def dead $cpsr |
| t2B %bb.3, 14 /* CC::al */, $noreg |
| |
| bb.4: |
| successors: %bb.5(0x80000000) |
| liveins: $r1, $r3 |
| |
| renamable $r0 = t2ADDrs killed renamable $r3, renamable $r1, 18, 14 /* CC::al */, $noreg, $noreg |
| $lr = t2WhileLoopStartLR killed renamable $r1, %bb.6, implicit-def dead $cpsr |
| |
| bb.5: |
| successors: %bb.5(0x7c000000), %bb.6(0x04000000) |
| liveins: $lr, $r0 |
| |
| renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr |
| t2B %bb.6, 14 /* CC::al */, $noreg |
| |
| bb.6: |
| frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc |
| |
| ... |
| --- |
| name: backwards_branch_sibling |
| body: | |
| ; CHECK-LABEL: name: backwards_branch_sibling |
| ; CHECK: bb.0: |
| ; CHECK: successors: %bb.2(0x50000000), %bb.1(0x30000000) |
| ; CHECK: tCMPi8 $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| ; CHECK: t2Bcc %bb.1, 11 /* CC::lt */, killed $cpsr |
| ; CHECK: t2B %bb.2, 14 /* CC::al */, $noreg |
| ; CHECK: bb.1: |
| ; CHECK: successors: %bb.4(0x80000000) |
| ; CHECK: tCMPi8 renamable $r1, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| ; CHECK: t2IT 11, 8, implicit-def $itstate |
| ; CHECK: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate |
| ; CHECK: $lr = t2WhileLoopStartLR killed renamable $r1, %bb.2, implicit-def dead $cpsr |
| ; CHECK: t2B %bb.4, 14 /* CC::al */, $noreg |
| ; CHECK: bb.2: |
| ; CHECK: successors: %bb.3(0x80000000) |
| ; CHECK: $lr = tMOVr $r0, 14 /* CC::al */, $noreg |
| ; CHECK: renamable $r0 = t2ADDrs killed renamable $r2, killed $r0, 18, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: $lr = t2WhileLoopStartLR killed renamable $lr, %bb.1, implicit-def dead $cpsr |
| ; CHECK: bb.3: |
| ; CHECK: successors: %bb.3(0x7c000000), %bb.1(0x04000000) |
| ; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr |
| ; CHECK: t2B %bb.1, 14 /* CC::al */, $noreg |
| ; CHECK: bb.4: |
| ; CHECK: successors: %bb.5(0x80000000) |
| ; CHECK: renamable $r0 = t2ADDrs killed renamable $r3, renamable $r1, 18, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: $lr = t2WhileLoopStartLR killed renamable $r1, %bb.6, implicit-def dead $cpsr |
| ; CHECK: bb.5: |
| ; CHECK: successors: %bb.5(0x7c000000), %bb.6(0x04000000) |
| ; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr |
| ; CHECK: t2B %bb.6, 14 /* CC::al */, $noreg |
| ; CHECK: bb.6: |
| ; CHECK: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc |
| bb.0: |
| successors: %bb.1(0x50000000), %bb.3(0x30000000) |
| liveins: $r0, $r1, $r2, $r3, $lr |
| |
| tCMPi8 $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| t2Bcc %bb.3, 11 /* CC::lt */, killed $cpsr |
| t2B %bb.1, 14 /* CC::al */, $noreg |
| |
| bb.3: |
| successors: %bb.4(0x80000000) |
| liveins: $r1, $r3 |
| |
| tCMPi8 renamable $r1, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| t2IT 11, 8, implicit-def $itstate |
| frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate |
| $lr = t2WhileLoopStartLR killed renamable $r1, %bb.1, implicit-def dead $cpsr |
| t2B %bb.4, 14 /* CC::al */, $noreg |
| |
| bb.1: |
| successors: %bb.2(0x80000000) |
| liveins: $r0, $r1, $r2, $r3 |
| |
| $lr = tMOVr $r0, 14 /* CC::al */, $noreg |
| renamable $r0 = t2ADDrs killed renamable $r2, killed $r0, 18, 14 /* CC::al */, $noreg, $noreg |
| $lr = t2WhileLoopStartLR killed renamable $lr, %bb.3, implicit-def dead $cpsr |
| |
| bb.2: |
| successors: %bb.2(0x7c000000), %bb.3(0x04000000) |
| liveins: $lr, $r0, $r1, $r3 |
| |
| renamable $lr = t2LoopEndDec killed renamable $lr, %bb.2, implicit-def dead $cpsr |
| t2B %bb.3, 14 /* CC::al */, $noreg |
| |
| bb.4: |
| successors: %bb.5(0x80000000) |
| liveins: $r1, $r3 |
| |
| renamable $r0 = t2ADDrs killed renamable $r3, renamable $r1, 18, 14 /* CC::al */, $noreg, $noreg |
| $lr = t2WhileLoopStartLR killed renamable $r1, %bb.6, implicit-def dead $cpsr |
| |
| bb.5: |
| successors: %bb.5(0x7c000000), %bb.6(0x04000000) |
| liveins: $lr, $r0 |
| |
| renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr |
| t2B %bb.6, 14 /* CC::al */, $noreg |
| |
| bb.6: |
| frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc |
| ... |
| --- |
| name: backwards_branch_forwards_le |
| body: | |
| ; CHECK-LABEL: name: backwards_branch_forwards_le |
| ; CHECK: bb.0: |
| ; CHECK: successors: %bb.2(0x80000000) |
| ; CHECK: tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| ; CHECK: t2IT 11, 8, implicit-def $itstate |
| ; CHECK: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate |
| ; CHECK: bb.1: |
| ; CHECK: successors: %bb.1(0x80000000) |
| ; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.1, implicit-def dead $cpsr |
| ; CHECK: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc |
| ; CHECK: bb.2: |
| ; CHECK: successors: %bb.3(0x80000000) |
| ; CHECK: $lr = t2WhileLoopStartLR killed renamable $r0, %bb.1, implicit-def dead $cpsr |
| ; CHECK: bb.3: |
| ; CHECK: successors: %bb.3(0x7c000000), %bb.1(0x04000000) |
| ; CHECK: renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg |
| ; CHECK: tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg |
| ; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr |
| ; CHECK: t2B %bb.1, 14 /* CC::al */, $noreg |
| bb.0: |
| successors: %bb.2(0x80000000) |
| liveins: $r0, $r1, $r2, $lr |
| |
| tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| t2IT 11, 8, implicit-def $itstate |
| frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate |
| |
| bb.1: |
| renamable $lr = t2LoopEndDec killed renamable $lr, %bb.1, implicit-def dead $cpsr |
| frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc |
| |
| bb.2: |
| successors: %bb.3(0x80000000) |
| liveins: $r0, $r1, $r2 |
| |
| $lr = t2WhileLoopStartLR killed renamable $r0, %bb.1, implicit-def dead $cpsr |
| |
| bb.3: |
| successors: %bb.3(0x7c000000), %bb.1(0x04000000) |
| liveins: $lr, $r1, $r2 |
| |
| renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg |
| tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg |
| renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr |
| t2B %bb.1, 14 /* CC::al */, $noreg |
| |
| ... |
| --- |
| name: no_preheader |
| body: | |
| ; CHECK-LABEL: name: no_preheader |
| ; CHECK: bb.0: |
| ; CHECK: successors: %bb.2(0x30000000), %bb.1(0x50000000) |
| ; CHECK: frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r4, killed $r5, $r7, killed $lr, implicit-def $sp, implicit $sp |
| ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 16 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r7, -8 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r5, -12 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r4, -16 |
| ; CHECK: $r7 = frame-setup tADDrSPi $sp, 2, 14 /* CC::al */, $noreg |
| ; CHECK: frame-setup CFI_INSTRUCTION def_cfa $r7, 8 |
| ; CHECK: $r4 = tMOVr killed $r0, 14 /* CC::al */, $noreg |
| ; CHECK: tBL 14 /* CC::al */, $noreg, @g, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $r0 |
| ; CHECK: tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| ; CHECK: t2Bcc %bb.2, 0 /* CC::eq */, killed $cpsr |
| ; CHECK: bb.1: |
| ; CHECK: successors: %bb.4(0x80000000) |
| ; CHECK: renamable $r0, dead $cpsr = tMOVi8 4, 14 /* CC::al */, $noreg |
| ; CHECK: renamable $r5 = t2LDRSHi12 killed renamable $r0, 0, 14 /* CC::al */, $noreg |
| ; CHECK: t2B %bb.4, 14 /* CC::al */, $noreg |
| ; CHECK: bb.2: |
| ; CHECK: successors: %bb.4(0x80000000) |
| ; CHECK: renamable $r5, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg |
| ; CHECK: t2B %bb.4, 14 /* CC::al */, $noreg |
| ; CHECK: bb.3: |
| ; CHECK: successors: %bb.4(0x80000000) |
| ; CHECK: $r0 = tMOVr $r5, 14 /* CC::al */, $noreg |
| ; CHECK: tBL 14 /* CC::al */, $noreg, @h, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def dead $r0 |
| ; CHECK: bb.4: |
| ; CHECK: successors: %bb.5(0x04000000), %bb.3(0x7c000000) |
| ; CHECK: renamable $r0 = tLDRi renamable $r4, 0, 14 /* CC::al */, $noreg |
| ; CHECK: tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| ; CHECK: t2Bcc %bb.3, 1 /* CC::ne */, killed $cpsr |
| ; CHECK: bb.5: |
| ; CHECK: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r4, def $r5, def $r7, def $pc |
| bb.0: |
| successors: %bb.1(0x30000000), %bb.2(0x50000000) |
| liveins: $r0, $r4, $r5, $lr |
| |
| frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r4, killed $r5, $r7, killed $lr, implicit-def $sp, implicit $sp |
| frame-setup CFI_INSTRUCTION def_cfa_offset 16 |
| frame-setup CFI_INSTRUCTION offset $lr, -4 |
| frame-setup CFI_INSTRUCTION offset $r7, -8 |
| frame-setup CFI_INSTRUCTION offset $r5, -12 |
| frame-setup CFI_INSTRUCTION offset $r4, -16 |
| $r7 = frame-setup tADDrSPi $sp, 2, 14 /* CC::al */, $noreg |
| frame-setup CFI_INSTRUCTION def_cfa $r7, 8 |
| $r4 = tMOVr killed $r0, 14 /* CC::al */, $noreg |
| tBL 14 /* CC::al */, $noreg, @g, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $r0 |
| tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| t2Bcc %bb.1, 0 /* CC::eq */, killed $cpsr |
| |
| bb.2: |
| successors: %bb.3(0x80000000) |
| liveins: $r4 |
| |
| renamable $r0, dead $cpsr = tMOVi8 4, 14 /* CC::al */, $noreg |
| renamable $r5 = t2LDRSHi12 killed renamable $r0, 0, 14 /* CC::al */, $noreg |
| t2B %bb.3, 14 /* CC::al */, $noreg |
| |
| bb.1: |
| successors: %bb.3(0x80000000) |
| liveins: $r4 |
| |
| renamable $r5, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg |
| t2B %bb.3, 14 /* CC::al */, $noreg |
| |
| bb.4: |
| successors: %bb.3(0x80000000) |
| liveins: $r4, $r5 |
| |
| $r0 = tMOVr $r5, 14 /* CC::al */, $noreg |
| tBL 14 /* CC::al */, $noreg, @h, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def dead $r0 |
| |
| bb.3: |
| successors: %bb.5(0x04000000), %bb.4(0x7c000000) |
| liveins: $r4, $r5 |
| |
| renamable $r0 = tLDRi renamable $r4, 0, 14 /* CC::al */, $noreg |
| tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| t2Bcc %bb.4, 1 /* CC::ne */, killed $cpsr |
| |
| bb.5: |
| frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r4, def $r5, def $r7, def $pc |
| ... |
| --- |
| name: nested_loops |
| alignment: 4 |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$r0' } |
| - { reg: '$r1' } |
| - { reg: '$r2' } |
| - { reg: '$r3' } |
| frameInfo: |
| stackSize: 32 |
| maxAlignment: 4 |
| maxCallFrameSize: 0 |
| fixedStack: |
| - { id: 0, size: 4, alignment: 8, isImmutable: true } |
| stack: |
| - { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4, callee-saved-register: '$lr', |
| callee-saved-restored: false } |
| - { id: 1, type: spill-slot, offset: -8, size: 4, alignment: 4, callee-saved-register: '$r10' } |
| - { id: 2, type: spill-slot, offset: -12, size: 4, alignment: 4, callee-saved-register: '$r9' } |
| - { id: 3, type: spill-slot, offset: -16, size: 4, alignment: 4, callee-saved-register: '$r8' } |
| - { id: 4, type: spill-slot, offset: -20, size: 4, alignment: 4, callee-saved-register: '$r7' } |
| - { id: 5, type: spill-slot, offset: -24, size: 4, alignment: 4, callee-saved-register: '$r6' } |
| - { id: 6, type: spill-slot, offset: -28, size: 4, alignment: 4, callee-saved-register: '$r5' } |
| - { id: 7, type: spill-slot, offset: -32, size: 4, alignment: 4, callee-saved-register: '$r4' } |
| machineFunctionInfo: {} |
| body: | |
| ; CHECK-LABEL: name: nested_loops |
| ; CHECK: bb.0: |
| ; CHECK: successors: %bb.1(0x80000000) |
| ; CHECK: liveins: $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r10, $lr |
| ; CHECK: $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r4, killed $r5, killed $r6, killed $r7, killed $r8, killed $r9, killed $r10, killed $lr |
| ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 32 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r10, -8 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r9, -12 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r8, -16 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r7, -20 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r6, -24 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r5, -28 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r4, -32 |
| ; CHECK: tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| ; CHECK: t2IT 11, 8, implicit-def $itstate |
| ; CHECK: $sp = frame-destroy t2LDMIA_RET $sp, 11 /* CC::lt */, killed $cpsr, def $r4, def $r5, def $r6, def $r7, def $r8, def $r9, def $r10, def $pc, implicit killed $itstate |
| ; CHECK: bb.1: |
| ; CHECK: successors: %bb.3(0x80000000) |
| ; CHECK: liveins: $r0, $r1, $r2, $r3 |
| ; CHECK: renamable $r12 = t2LDRi12 $sp, 32, 14 /* CC::al */, $noreg :: (load 4 from %fixed-stack.0, align 8) |
| ; CHECK: $r9 = tMOVr killed $r2, 14 /* CC::al */, $noreg |
| ; CHECK: renamable $r8 = t2MOVi 0, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: t2B %bb.3, 14 /* CC::al */, $noreg |
| ; CHECK: bb.2: |
| ; CHECK: successors: %bb.9(0x04000000), %bb.3(0x7c000000) |
| ; CHECK: liveins: $r0, $r1, $r3, $r8, $r9, $r12 |
| ; CHECK: renamable $r8 = nuw nsw t2ADDri killed renamable $r8, 1, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: renamable $r3, dead $cpsr = tADDi8 killed renamable $r3, 1, 14 /* CC::al */, $noreg |
| ; CHECK: tCMPhir renamable $r8, renamable $r0, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| ; CHECK: renamable $r12 = t2ADDri killed renamable $r12, 1, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: t2Bcc %bb.9, 0 /* CC::eq */, killed $cpsr |
| ; CHECK: bb.3: |
| ; CHECK: successors: %bb.4(0x50000000), %bb.2(0x30000000) |
| ; CHECK: liveins: $r0, $r1, $r3, $r8, $r9, $r12 |
| ; CHECK: tCMPi8 renamable $r1, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| ; CHECK: t2Bcc %bb.2, 11 /* CC::lt */, killed $cpsr |
| ; CHECK: bb.4: |
| ; CHECK: successors: %bb.6(0x80000000) |
| ; CHECK: liveins: $r0, $r1, $r3, $r8, $r9, $r12 |
| ; CHECK: renamable $r4, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg |
| ; CHECK: $r10 = tMOVr $r12, 14 /* CC::al */, $noreg |
| ; CHECK: $r2 = tMOVr $r3, 14 /* CC::al */, $noreg |
| ; CHECK: t2B %bb.6, 14 /* CC::al */, $noreg |
| ; CHECK: bb.6: |
| ; CHECK: successors: %bb.7(0x50000000), %bb.5(0x30000000) |
| ; CHECK: liveins: $r0, $r1, $r2, $r3, $r4, $r8, $r9, $r10, $r12 |
| ; CHECK: renamable $lr = t2WhileLoopStartLR killed renamable $r9, %bb.5, implicit-def dead $cpsr |
| ; CHECK: tB %bb.7, 14 /* CC::al */, $noreg |
| ; CHECK: bb.5: |
| ; CHECK: successors: %bb.2(0x04000000), %bb.6(0x7c000000) |
| ; CHECK: liveins: $r0, $r1, $r2, $r3, $r4, $r8, $r9, $r10, $r12 |
| ; CHECK: renamable $r4, dead $cpsr = nuw nsw tADDi8 killed renamable $r4, 1, 14 /* CC::al */, $noreg |
| ; CHECK: renamable $r2, dead $cpsr = tADDi8 killed renamable $r2, 1, 14 /* CC::al */, $noreg |
| ; CHECK: tCMPr renamable $r4, renamable $r1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| ; CHECK: renamable $r10 = t2ADDri killed renamable $r10, 1, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: t2Bcc %bb.2, 0 /* CC::eq */, killed $cpsr |
| ; CHECK: tB %bb.6, 14 /* CC::al */, $noreg |
| ; CHECK: bb.7: |
| ; CHECK: successors: %bb.8(0x80000000) |
| ; CHECK: liveins: $r0, $r1, $r2, $r3, $r4, $r8, $r9, $r10, $r12 |
| ; CHECK: $r5 = tMOVr $r10, 14 /* CC::al */, $noreg |
| ; CHECK: $r6 = tMOVr $r2, 14 /* CC::al */, $noreg |
| ; CHECK: t2B %bb.8, 14 /* CC::al */, $noreg |
| ; CHECK: bb.8: |
| ; CHECK: successors: %bb.8(0x7c000000), %bb.5(0x04000000) |
| ; CHECK: liveins: $lr, $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r8, $r9, $r10, $r12 |
| ; CHECK: tSTRi killed $r0, $r1, 0, 14 /* CC::al */, $noreg |
| ; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.8, implicit-def dead $cpsr |
| ; CHECK: t2B %bb.5, 14 /* CC::al */, $noreg |
| ; CHECK: bb.9: |
| ; CHECK: $sp = frame-destroy t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r4, def $r5, def $r6, def $r7, def $r8, def $r9, def $r10, def $pc |
| bb.0: |
| successors: %bb.1 |
| liveins: $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r10, $lr |
| |
| $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r4, killed $r5, killed $r6, killed $r7, killed $r8, killed $r9, killed $r10, killed $lr |
| frame-setup CFI_INSTRUCTION def_cfa_offset 32 |
| frame-setup CFI_INSTRUCTION offset $lr, -4 |
| frame-setup CFI_INSTRUCTION offset $r10, -8 |
| frame-setup CFI_INSTRUCTION offset $r9, -12 |
| frame-setup CFI_INSTRUCTION offset $r8, -16 |
| frame-setup CFI_INSTRUCTION offset $r7, -20 |
| frame-setup CFI_INSTRUCTION offset $r6, -24 |
| frame-setup CFI_INSTRUCTION offset $r5, -28 |
| frame-setup CFI_INSTRUCTION offset $r4, -32 |
| tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| t2IT 11, 8, implicit-def $itstate |
| $sp = frame-destroy t2LDMIA_RET $sp, 11 /* CC::lt */, killed $cpsr, def $r4, def $r5, def $r6, def $r7, def $r8, def $r9, def $r10, def $pc, implicit killed $itstate |
| |
| bb.1: |
| liveins: $r0, $r1, $r2, $r3 |
| |
| renamable $r12 = t2LDRi12 $sp, 32, 14 /* CC::al */, $noreg :: (load 4 from %fixed-stack.0, align 8) |
| $r9 = tMOVr killed $r2, 14 /* CC::al */, $noreg |
| renamable $r8 = t2MOVi 0, 14 /* CC::al */, $noreg, $noreg |
| t2B %bb.2, 14 /* CC::al */, $noreg |
| |
| bb.8: |
| successors: %bb.9(0x04000000), %bb.2(0x7c000000) |
| liveins: $r0, $r1, $r3, $r8, $r9, $r12 |
| |
| renamable $r8 = nuw nsw t2ADDri killed renamable $r8, 1, 14 /* CC::al */, $noreg, $noreg |
| renamable $r3, dead $cpsr = tADDi8 killed renamable $r3, 1, 14 /* CC::al */, $noreg |
| tCMPhir renamable $r8, renamable $r0, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| renamable $r12 = t2ADDri killed renamable $r12, 1, 14 /* CC::al */, $noreg, $noreg |
| t2Bcc %bb.9, 0 /* CC::eq */, killed $cpsr |
| |
| bb.2: |
| successors: %bb.3(0x50000000), %bb.8(0x30000000) |
| liveins: $r0, $r1, $r3, $r8, $r9, $r12 |
| |
| tCMPi8 renamable $r1, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| t2Bcc %bb.8, 11 /* CC::lt */, killed $cpsr |
| |
| bb.3: |
| liveins: $r0, $r1, $r3, $r8, $r9, $r12 |
| |
| renamable $r4, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg |
| $r10 = tMOVr $r12, 14 /* CC::al */, $noreg |
| $r2 = tMOVr $r3, 14 /* CC::al */, $noreg |
| t2B %bb.4, 14 /* CC::al */, $noreg |
| |
| bb.7: |
| successors: %bb.8(0x04000000), %bb.4(0x7c000000) |
| liveins: $r0, $r1, $r2, $r3, $r4, $r8, $r9, $r10, $r12 |
| |
| renamable $r4, dead $cpsr = nuw nsw tADDi8 killed renamable $r4, 1, 14 /* CC::al */, $noreg |
| renamable $r2, dead $cpsr = tADDi8 killed renamable $r2, 1, 14 /* CC::al */, $noreg |
| tCMPr renamable $r4, renamable $r1, 14 /* CC::al */, $noreg, implicit-def $cpsr |
| renamable $r10 = t2ADDri killed renamable $r10, 1, 14 /* CC::al */, $noreg, $noreg |
| t2Bcc %bb.8, 0 /* CC::eq */, killed $cpsr |
| |
| bb.4: |
| successors: %bb.5(0x50000000), %bb.7(0x30000000) |
| liveins: $r0, $r1, $r2, $r3, $r4, $r8, $r9, $r10, $r12 |
| |
| renamable $lr = t2WhileLoopStartLR killed renamable $r9, %bb.7, implicit-def dead $cpsr |
| |
| bb.5: |
| liveins: $r0, $r1, $r2, $r3, $r4, $r8, $r9, $r10, $r12 |
| |
| $r5 = tMOVr $r10, 14 /* CC::al */, $noreg |
| $r6 = tMOVr $r2, 14 /* CC::al */, $noreg |
| t2B %bb.6, 14 /* CC::al */, $noreg |
| |
| bb.6: |
| successors: %bb.6(0x7c000000), %bb.7(0x04000000) |
| liveins: $lr, $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r8, $r9, $r10, $r12 |
| |
| tSTRi killed $r0, $r1, 0, 14 /* CC::al */, $noreg |
| renamable $lr = t2LoopEndDec killed renamable $lr, %bb.6, implicit-def dead $cpsr |
| t2B %bb.7, 14 /* CC::al */, $noreg |
| |
| bb.9: |
| $sp = frame-destroy t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r4, def $r5, def $r6, def $r7, def $r8, def $r9, def $r10, def $pc |
| |
| ... |
