| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -o - %s -mtriple=thumbv7-- -run-pass=stack-protector -run-pass=prologepilog | FileCheck %s |
| --- |
| # This should trigger an emergency spill in the register scavenger because the |
| # frame offset into the large argument is too large. |
| name: func0 |
| tracksRegLiveness: true |
| fixedStack: |
| - { id: 0, offset: 4084, size: 4, alignment: 4, isImmutable: true, |
| isAliased: false } |
| - { id: 1, offset: -12, size: 4096, alignment: 4, isImmutable: false, |
| isAliased: false } |
| body: | |
| bb.0: |
| ; CHECK-LABEL: name: func0 |
| ; CHECK: liveins: $r4, $r5, $r6, $r7, $r8, $r9, $r10, $r11, $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 $r11, killed $lr |
| ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 36 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -16 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r11, -20 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r10, -24 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r9, -28 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r8, -32 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r7, -36 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r6, -40 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r5, -44 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r4, -48 |
| ; CHECK: $sp = frame-setup tSUBspi $sp, 4, 14 /* CC::al */, $noreg |
| ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 52 |
| ; CHECK: $r0 = IMPLICIT_DEF |
| ; CHECK: $r1 = IMPLICIT_DEF |
| ; CHECK: $r2 = IMPLICIT_DEF |
| ; CHECK: $r3 = IMPLICIT_DEF |
| ; CHECK: $r4 = IMPLICIT_DEF |
| ; CHECK: $r5 = IMPLICIT_DEF |
| ; CHECK: $r6 = IMPLICIT_DEF |
| ; CHECK: $r7 = IMPLICIT_DEF |
| ; CHECK: $r8 = IMPLICIT_DEF |
| ; CHECK: $r9 = IMPLICIT_DEF |
| ; CHECK: $r10 = IMPLICIT_DEF |
| ; CHECK: $r11 = IMPLICIT_DEF |
| ; CHECK: $r12 = IMPLICIT_DEF |
| ; CHECK: $lr = IMPLICIT_DEF |
| ; CHECK: t2STRi12 killed $r0, $sp, 0, 14 /* CC::al */, $noreg :: (store (s32) into %stack.0) |
| ; CHECK: $r0 = t2ADDri killed $sp, 4096, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK: $sp = t2LDRi12 killed $r0, 40, 14 /* CC::al */, $noreg :: (load (s32)) |
| ; CHECK: $r0 = t2LDRi12 $sp, 0, 14 /* CC::al */, $noreg :: (load (s32) from %stack.0) |
| ; CHECK: KILL $r0 |
| ; CHECK: KILL $r1 |
| ; CHECK: KILL $r2 |
| ; CHECK: KILL $r3 |
| ; CHECK: KILL $r4 |
| ; CHECK: KILL $r5 |
| ; CHECK: KILL $r6 |
| ; CHECK: KILL $r7 |
| ; CHECK: KILL $r8 |
| ; CHECK: KILL $r9 |
| ; CHECK: KILL $r10 |
| ; CHECK: KILL $r11 |
| ; CHECK: KILL $r12 |
| ; CHECK: KILL $lr |
| $r0 = IMPLICIT_DEF |
| $r1 = IMPLICIT_DEF |
| $r2 = IMPLICIT_DEF |
| $r3 = IMPLICIT_DEF |
| $r4 = IMPLICIT_DEF |
| $r5 = IMPLICIT_DEF |
| $r6 = IMPLICIT_DEF |
| $r7 = IMPLICIT_DEF |
| $r8 = IMPLICIT_DEF |
| $r9 = IMPLICIT_DEF |
| $r10 = IMPLICIT_DEF |
| $r11 = IMPLICIT_DEF |
| $r12 = IMPLICIT_DEF |
| $lr = IMPLICIT_DEF |
| |
| $sp = t2LDRi12 %fixed-stack.0, 0, 14, $noreg :: (load (s32)) |
| |
| KILL $r0 |
| KILL $r1 |
| KILL $r2 |
| KILL $r3 |
| KILL $r4 |
| KILL $r5 |
| KILL $r6 |
| KILL $r7 |
| KILL $r8 |
| KILL $r9 |
| KILL $r10 |
| KILL $r11 |
| KILL $r12 |
| KILL $lr |
| ... |
| --- |
| # This should not trigger an emergency spill yet. |
| name: func1 |
| tracksRegLiveness: true |
| fixedStack: |
| - { id: 0, offset: 4044, size: 4, alignment: 4, isImmutable: true, |
| isAliased: false } |
| - { id: 1, offset: -12, size: 4056, alignment: 4, isImmutable: false, |
| isAliased: false } |
| body: | |
| bb.0: |
| ; CHECK-LABEL: name: func1 |
| ; CHECK: liveins: $r4, $r5, $r6, $r8, $r9, $r10, $r11, $lr |
| ; CHECK: $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r4, killed $r5, killed $r6, killed $r8, killed $r9, killed $r10, killed $r11, killed $lr |
| ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 32 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -16 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r11, -20 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r10, -24 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r9, -28 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r8, -32 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r6, -36 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r5, -40 |
| ; CHECK: frame-setup CFI_INSTRUCTION offset $r4, -44 |
| ; CHECK: $sp = frame-setup tSUBspi $sp, 4, 14 /* CC::al */, $noreg |
| ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 48 |
| ; CHECK: $r0 = IMPLICIT_DEF |
| ; CHECK: $r1 = IMPLICIT_DEF |
| ; CHECK: $r2 = IMPLICIT_DEF |
| ; CHECK: $r3 = IMPLICIT_DEF |
| ; CHECK: $r4 = IMPLICIT_DEF |
| ; CHECK: $r5 = IMPLICIT_DEF |
| ; CHECK: $r6 = IMPLICIT_DEF |
| ; CHECK: $r8 = IMPLICIT_DEF |
| ; CHECK: $r9 = IMPLICIT_DEF |
| ; CHECK: $r10 = IMPLICIT_DEF |
| ; CHECK: $r11 = IMPLICIT_DEF |
| ; CHECK: $r12 = IMPLICIT_DEF |
| ; CHECK: $lr = IMPLICIT_DEF |
| ; CHECK: $r11 = t2LDRi12 $sp, 4092, 14 /* CC::al */, $noreg :: (load (s32)) |
| ; CHECK: KILL $r0 |
| ; CHECK: KILL $r1 |
| ; CHECK: KILL $r2 |
| ; CHECK: KILL $r3 |
| ; CHECK: KILL $r4 |
| ; CHECK: KILL $r5 |
| ; CHECK: KILL $r6 |
| ; CHECK: KILL $r8 |
| ; CHECK: KILL $r9 |
| ; CHECK: KILL $r10 |
| ; CHECK: KILL $r11 |
| ; CHECK: KILL $r12 |
| ; CHECK: KILL $lr |
| $r0 = IMPLICIT_DEF |
| $r1 = IMPLICIT_DEF |
| $r2 = IMPLICIT_DEF |
| $r3 = IMPLICIT_DEF |
| $r4 = IMPLICIT_DEF |
| $r5 = IMPLICIT_DEF |
| $r6 = IMPLICIT_DEF |
| $r8 = IMPLICIT_DEF |
| $r9 = IMPLICIT_DEF |
| $r10 = IMPLICIT_DEF |
| $r11 = IMPLICIT_DEF |
| $r12 = IMPLICIT_DEF |
| $lr = IMPLICIT_DEF |
| |
| $r11 = t2LDRi12 %fixed-stack.0, 0, 14, $noreg :: (load (s32)) |
| |
| KILL $r0 |
| KILL $r1 |
| KILL $r2 |
| KILL $r3 |
| KILL $r4 |
| KILL $r5 |
| KILL $r6 |
| KILL $r8 |
| KILL $r9 |
| KILL $r10 |
| KILL $r11 |
| KILL $r12 |
| KILL $lr |
| ... |