| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -run-pass=prologepilog %s -o - | FileCheck %s |
| |
| --- | |
| target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" |
| target triple = "thumbv7m-none-eabi" |
| |
| define i32 @testpos() { |
| entry: |
| %a = alloca i32, align 4 |
| call void @other(ptr %a) |
| %b = load i32, ptr %a, align 4 |
| ret i32 %b |
| } |
| define i32 @testneg4() { |
| entry: |
| %a = alloca i32, align 4 |
| call void @other(ptr %a) |
| %b = load i32, ptr %a, align 4 |
| ret i32 %b |
| } |
| define i32 @testneg8() { |
| entry: |
| %a = alloca i32, align 4 |
| call void @other(ptr %a) |
| %b = load i32, ptr %a, align 4 |
| ret i32 %b |
| } |
| |
| declare void @other(ptr) |
| |
| ... |
| --- |
| name: testpos |
| tracksRegLiveness: true |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 4 |
| adjustsStack: true |
| hasCalls: true |
| stackProtector: '' |
| maxCallFrameSize: 0 |
| cvBytesOfCalleeSavedRegisters: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| hasTailCall: false |
| localFrameSize: 4 |
| savePoint: '' |
| restorePoint: '' |
| stack: |
| - { id: 0, name: a, type: default, offset: 0, size: 4, alignment: 4, |
| stack-id: default, callee-saved-register: '', callee-saved-restored: true, |
| local-offset: -4, debug-info-variable: '', debug-info-expression: '', |
| debug-info-location: '' } |
| body: | |
| bb.0.entry: |
| ; CHECK-LABEL: name: testpos |
| ; CHECK: liveins: $r7, $lr |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r7, killed $lr |
| ; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 8 |
| ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $lr, -4 |
| ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r7, -8 |
| ; CHECK-NEXT: $sp = frame-setup tSUBspi $sp, 2, 14 /* CC::al */, $noreg |
| ; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16 |
| ; CHECK-NEXT: renamable $r0 = t2ADDri $sp, 4, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK-NEXT: tBL 14 /* CC::al */, $noreg, @other, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit-def $sp |
| ; CHECK-NEXT: renamable $r0 = t2LDRi12 $sp, 8, 14 /* CC::al */, $noreg :: (dereferenceable load (s32) from %ir.a) |
| ; CHECK-NEXT: $sp = frame-destroy tADDspi $sp, 2, 14 /* CC::al */, $noreg |
| ; CHECK-NEXT: $sp = frame-destroy t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r7, def $pc, implicit $r0 |
| ADJCALLSTACKDOWN 0, 0, 14 /* CC::al */, $noreg, implicit-def dead $sp, implicit $sp |
| renamable $r0 = t2ADDri %stack.0.a, 0, 14 /* CC::al */, $noreg, $noreg |
| tBL 14 /* CC::al */, $noreg, @other, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit-def $sp |
| ADJCALLSTACKUP 0, -1, 14 /* CC::al */, $noreg, implicit-def dead $sp, implicit $sp |
| renamable $r0 = t2LDRi12 %stack.0.a, 4, 14 /* CC::al */, $noreg :: (dereferenceable load (s32) from %ir.a) |
| tBX_RET 14 /* CC::al */, $noreg, implicit $r0 |
| |
| ... |
| --- |
| name: testneg4 |
| tracksRegLiveness: true |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 4 |
| adjustsStack: true |
| hasCalls: true |
| stackProtector: '' |
| maxCallFrameSize: 0 |
| cvBytesOfCalleeSavedRegisters: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| hasTailCall: false |
| localFrameSize: 4 |
| savePoint: '' |
| restorePoint: '' |
| stack: |
| - { id: 0, name: a, type: default, offset: 0, size: 4, alignment: 4, |
| stack-id: default, callee-saved-register: '', callee-saved-restored: true, |
| local-offset: -4, debug-info-variable: '', debug-info-expression: '', |
| debug-info-location: '' } |
| body: | |
| bb.0.entry: |
| ; CHECK-LABEL: name: testneg4 |
| ; CHECK: liveins: $r7, $lr |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r7, killed $lr |
| ; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 8 |
| ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $lr, -4 |
| ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r7, -8 |
| ; CHECK-NEXT: $sp = frame-setup tSUBspi $sp, 2, 14 /* CC::al */, $noreg |
| ; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16 |
| ; CHECK-NEXT: renamable $r0 = t2ADDri $sp, 4, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK-NEXT: tBL 14 /* CC::al */, $noreg, @other, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit-def $sp |
| ; CHECK-NEXT: renamable $r0 = t2LDRi12 $sp, 0, 14 /* CC::al */, $noreg :: (dereferenceable load (s32) from %ir.a) |
| ; CHECK-NEXT: $sp = frame-destroy tADDspi $sp, 2, 14 /* CC::al */, $noreg |
| ; CHECK-NEXT: $sp = frame-destroy t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r7, def $pc, implicit $r0 |
| ADJCALLSTACKDOWN 0, 0, 14 /* CC::al */, $noreg, implicit-def dead $sp, implicit $sp |
| renamable $r0 = t2ADDri %stack.0.a, 0, 14 /* CC::al */, $noreg, $noreg |
| tBL 14 /* CC::al */, $noreg, @other, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit-def $sp |
| ADJCALLSTACKUP 0, -1, 14 /* CC::al */, $noreg, implicit-def dead $sp, implicit $sp |
| renamable $r0 = t2LDRi8 %stack.0.a, -4, 14 /* CC::al */, $noreg :: (dereferenceable load (s32) from %ir.a) |
| tBX_RET 14 /* CC::al */, $noreg, implicit $r0 |
| |
| ... |
| --- |
| name: testneg8 |
| tracksRegLiveness: true |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 4 |
| adjustsStack: true |
| hasCalls: true |
| stackProtector: '' |
| maxCallFrameSize: 0 |
| cvBytesOfCalleeSavedRegisters: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| hasTailCall: false |
| localFrameSize: 4 |
| savePoint: '' |
| restorePoint: '' |
| stack: |
| - { id: 0, name: a, type: default, offset: 0, size: 4, alignment: 4, |
| stack-id: default, callee-saved-register: '', callee-saved-restored: true, |
| local-offset: -4, debug-info-variable: '', debug-info-expression: '', |
| debug-info-location: '' } |
| body: | |
| bb.0.entry: |
| ; CHECK-LABEL: name: testneg8 |
| ; CHECK: liveins: $r7, $lr |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r7, killed $lr |
| ; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 8 |
| ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $lr, -4 |
| ; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $r7, -8 |
| ; CHECK-NEXT: $sp = frame-setup tSUBspi $sp, 2, 14 /* CC::al */, $noreg |
| ; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16 |
| ; CHECK-NEXT: renamable $r0 = t2ADDri $sp, 4, 14 /* CC::al */, $noreg, $noreg |
| ; CHECK-NEXT: tBL 14 /* CC::al */, $noreg, @other, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit-def $sp |
| ; CHECK-NEXT: renamable $r0 = t2LDRi8 $sp, -4, 14 /* CC::al */, $noreg :: (dereferenceable load (s32) from %ir.a) |
| ; CHECK-NEXT: $sp = frame-destroy tADDspi $sp, 2, 14 /* CC::al */, $noreg |
| ; CHECK-NEXT: $sp = frame-destroy t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r7, def $pc, implicit $r0 |
| ADJCALLSTACKDOWN 0, 0, 14 /* CC::al */, $noreg, implicit-def dead $sp, implicit $sp |
| renamable $r0 = t2ADDri %stack.0.a, 0, 14 /* CC::al */, $noreg, $noreg |
| tBL 14 /* CC::al */, $noreg, @other, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit $r0, implicit-def $sp |
| ADJCALLSTACKUP 0, -1, 14 /* CC::al */, $noreg, implicit-def dead $sp, implicit $sp |
| renamable $r0 = t2LDRi8 %stack.0.a, -8, 14 /* CC::al */, $noreg :: (dereferenceable load (s32) from %ir.a) |
| tBX_RET 14 /* CC::al */, $noreg, implicit $r0 |
| |
| ... |
| |