| # RUN: llc -mtriple=mipsel-unknown-linux-gnu -mattr=+micromips -mcpu=mips32r2 \ |
| # RUN: -verify-machineinstrs -run-pass micromips-reduce-size \ |
| # RUN: %s -o - | FileCheck %s |
| |
| --- | |
| define void @f1(i32* %adr, i32 %val) { ret void } |
| define void @f2(i32* %adr, i32 %val) { ret void } |
| define void @f3(i32* %adr, i32 %val) { ret void } |
| define void @f4(i32* %adr, i32 %val) { ret void } |
| |
| declare i32* @f() |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.stackprotector(i8*, i8**) |
| ... |
| --- |
| # CHECK-LABEL: name: f1 |
| # CHECK-NOT: SWP_MM |
| # CHECK-NOT: LWP_MM |
| name: f1 |
| alignment: 2 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| registers: |
| liveins: |
| - { reg: '$a1', virtual-reg: '' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 24 |
| offsetAdjustment: 0 |
| maxAlignment: 4 |
| adjustsStack: true |
| hasCalls: true |
| stackProtector: '' |
| maxCallFrameSize: 16 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| savePoint: '' |
| restorePoint: '' |
| fixedStack: |
| stack: |
| - { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4, |
| stack-id: 0, callee-saved-register: '$ra', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| - { id: 1, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4, |
| stack-id: 0, callee-saved-register: '$s0', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| constants: |
| body: | |
| bb.0: |
| liveins: $a1, $ra, $s0 |
| |
| $sp = ADDiu $sp, -24 |
| CFI_INSTRUCTION def_cfa_offset 24 |
| SW killed $ra, $sp, 20 :: (store 4 into %stack.0) |
| SW killed $s0, $sp, 16 :: (store 4 into %stack.1) |
| CFI_INSTRUCTION offset $ra_64, -4 |
| CFI_INSTRUCTION offset $s0_64, -8 |
| $s0 = MOVE16_MM $a1 |
| JAL @f, csr_o32, implicit-def dead $ra, implicit-def $sp, implicit-def dead $v0 |
| $v0 = MOVE16_MM killed $s0 |
| $s0 = LW $sp, 16 :: (load 4 from %stack.1) |
| $ra = LW $sp, 20 :: (load 4 from %stack.0) |
| $sp = ADDiu $sp, 24 |
| PseudoReturn undef $ra, implicit killed $v0 |
| |
| ... |
| --- |
| # CHECK-LABEL: name: f2 |
| # CHECK-NOT: SWP_MM |
| # CHECK-NOT: LWP_MM |
| name: f2 |
| alignment: 2 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| registers: |
| liveins: |
| - { reg: '$a1', virtual-reg: '' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 24 |
| offsetAdjustment: 0 |
| maxAlignment: 4 |
| adjustsStack: true |
| hasCalls: true |
| stackProtector: '' |
| maxCallFrameSize: 16 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| savePoint: '' |
| restorePoint: '' |
| fixedStack: |
| stack: |
| - { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4, |
| stack-id: 0, callee-saved-register: '$ra', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| - { id: 1, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4, |
| stack-id: 0, callee-saved-register: '$s0', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| constants: |
| body: | |
| bb.0: |
| liveins: $a1, $ra, $s0 |
| |
| $sp = ADDiu $sp, -24 |
| CFI_INSTRUCTION def_cfa_offset 24 |
| SW_MM killed $ra, $sp, 20 :: (store 4 into %stack.0) |
| SW_MM killed $s0, $sp, 16 :: (store 4 into %stack.1) |
| CFI_INSTRUCTION offset $ra_64, -4 |
| CFI_INSTRUCTION offset $s0_64, -8 |
| $s0 = MOVE16_MM $a1 |
| JAL @f, csr_o32, implicit-def dead $ra, implicit-def $sp, implicit-def dead $v0 |
| $v0 = MOVE16_MM killed $s0 |
| $s0 = LW_MM $sp, 16 :: (load 4 from %stack.1) |
| $ra = LW_MM $sp, 20 :: (load 4 from %stack.0) |
| $sp = ADDiu $sp, 24 |
| PseudoReturn undef $ra, implicit killed $v0 |
| |
| ... |
| --- |
| # CHECK-LABEL: name: f3 |
| # CHECK-NOT: SWP_MM |
| # CHECK-NOT: LWP_MM |
| name: f3 |
| alignment: 2 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| registers: |
| liveins: |
| - { reg: '$a1', virtual-reg: '' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 24 |
| offsetAdjustment: 0 |
| maxAlignment: 4 |
| adjustsStack: true |
| hasCalls: true |
| stackProtector: '' |
| maxCallFrameSize: 16 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| savePoint: '' |
| restorePoint: '' |
| fixedStack: |
| stack: |
| - { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4, |
| stack-id: 0, callee-saved-register: '$ra', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| - { id: 1, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4, |
| stack-id: 0, callee-saved-register: '$s0', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| constants: |
| body: | |
| bb.0: |
| liveins: $a1, $ra, $s0 |
| |
| $sp = ADDiu $sp, -24 |
| CFI_INSTRUCTION def_cfa_offset 24 |
| SW_MM killed $ra, $sp, 20 :: (store 4 into %stack.0) |
| SW killed $s0, $sp, 16 :: (store 4 into %stack.1) |
| CFI_INSTRUCTION offset $ra_64, -4 |
| CFI_INSTRUCTION offset $s0_64, -8 |
| $s0 = MOVE16_MM $a1 |
| JAL @f, csr_o32, implicit-def dead $ra, implicit-def $sp, implicit-def dead $v0 |
| $v0 = MOVE16_MM killed $s0 |
| $s0 = LW_MM $sp, 16 :: (load 4 from %stack.1) |
| $ra = LW $sp, 20 :: (load 4 from %stack.0) |
| $sp = ADDiu $sp, 24 |
| PseudoReturn undef $ra, implicit killed $v0 |
| |
| ... |
| --- |
| # CHECK-LABEL: name: f4 |
| # CHECK-NOT: SWP_MM |
| # CHECK-NOT: LWP_MM |
| name: f4 |
| alignment: 2 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| registers: |
| liveins: |
| - { reg: '$a1', virtual-reg: '' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 24 |
| offsetAdjustment: 0 |
| maxAlignment: 4 |
| adjustsStack: true |
| hasCalls: true |
| stackProtector: '' |
| maxCallFrameSize: 16 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| savePoint: '' |
| restorePoint: '' |
| fixedStack: |
| stack: |
| - { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4, |
| stack-id: 0, callee-saved-register: '$ra', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| - { id: 1, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4, |
| stack-id: 0, callee-saved-register: '$s0', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| constants: |
| body: | |
| bb.0: |
| liveins: $a1, $ra, $s0 |
| |
| $sp = ADDiu $sp, -24 |
| CFI_INSTRUCTION def_cfa_offset 24 |
| SW killed $ra, $sp, 20 :: (store 4 into %stack.0) |
| SW_MM killed $s0, $sp, 16 :: (store 4 into %stack.1) |
| CFI_INSTRUCTION offset $ra_64, -4 |
| CFI_INSTRUCTION offset $s0_64, -8 |
| $s0 = MOVE16_MM $a1 |
| JAL @f, csr_o32, implicit-def dead $ra, implicit-def $sp, implicit-def dead $v0 |
| $v0 = MOVE16_MM killed $s0 |
| $s0 = LW $sp, 16 :: (load 4 from %stack.1) |
| $ra = LW_MM $sp, 20 :: (load 4 from %stack.0) |
| $sp = ADDiu $sp, 24 |
| PseudoReturn undef $ra, implicit killed $v0 |
| |
| ... |
| |
