| # RUN: llc -run-pass x86-fixup-LEAs -mtriple=i386 -verify-machineinstrs -mcpu=corei7-avx -o - %s | FileCheck %s |
| --- | |
| ; ModuleID = 'test/CodeGen/X86/fixup-lea.ll' |
| source_filename = "test/CodeGen/X86/fixup-lea.ll" |
| target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128" |
| target triple = "i386" |
| ;generated using: llc -stop-after x86-pad-short-functions fixup-lea.ll > leaFinxup32.mir |
| |
| ;test2add_32: 3 operands LEA32r that can be replaced with 2 add instructions |
| ; where ADD32ri8 is chosen |
| define i32 @test2add_32() { |
| ret i32 0 |
| } |
| |
| ;test2add_ebp_32: 3 operands LEA32r that can be replaced with 2 add instructions |
| ; where the base is rbp/r13/ebp register |
| define i32 @test2add_ebp_32() { |
| ret i32 0 |
| } |
| |
| ;test1add_ebp_32: 2 operands LEA32r where base register is ebp and can be replaced |
| ; with an add instruction |
| define i32 @test1add_ebp_32() { |
| ret i32 0 |
| } |
| |
| ;testleaadd_32: 3 operands LEA32r that can be replaced with 1 lea 1 add instructions |
| define i32 @testleaadd_32() { |
| ret i32 0 |
| } |
| |
| ;testleaadd_ebp_32: 3 operands LEA32r that can be replaced with 1 lea 1 add instructions |
| ; where the base is ebp register |
| define i32 @testleaadd_ebp_32() { |
| ret i32 0 |
| } |
| |
| ;test1lea_ebp_32: 2 operands LEA32r wher base register is rbp/r13/ebp and can be replaced |
| ; with a lea instruction |
| define i32 @test1lea_ebp_32() { |
| ret i32 0 |
| } |
| |
| ;test2addi32_32: 3 operands LEA32r that can be replaced with 2 add instructions where ADD32ri32 |
| ; is chosen |
| define i32 @test2addi32_32() { |
| ret i32 0 |
| } |
| |
| ;test1mov1add_ebp_32: 2 operands LEA32r that can be replaced with 1 add 1 mov instructions |
| ; where the base is rbp/r13/ebp register |
| define i32 @test1mov1add_ebp_32() { |
| ret i32 0 |
| } |
| |
| ;testleaadd_ebp_index_32: 3 operands LEA32r that can be replaced with 1 lea 1 add instructions |
| ; where the base and the index are ebp register and there is offset |
| define i32 @testleaadd_ebp_index_32() { |
| ret i32 0 |
| } |
| |
| ;testleaadd_ebp_index2_32: 3 operands LEA32r that can be replaced with 1 lea 1 add instructions |
| ; where the base and the index are ebp register and there is scale |
| define i32 @testleaadd_ebp_index2_32() { |
| ret i32 0 |
| } |
| |
| ;test_skip_opt_32: 3 operands LEA32r that can not be replaced with 2 instructions |
| define i32 @test_skip_opt_32() { |
| ret i32 0 |
| } |
| |
| ;test_skip_eflags_32: LEA32r that cannot be replaced since its not safe to clobber eflags |
| define i32 @test_skip_eflags_32() { |
| ret i32 0 |
| } |
| |
| ... |
| --- |
| name: test2add_32 |
| alignment: 4 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$eax' } |
| - { reg: '$ebp' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 0 |
| adjustsStack: false |
| hasCalls: false |
| maxCallFrameSize: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| body: | |
| bb.0 (%ir-block.0): |
| liveins: $eax, $ebp |
| ; CHECK: $eax = ADD32rr $eax, killed $ebp |
| ; CHECK: $eax = ADD32ri8 $eax, -5 |
| |
| $eax = LEA32r killed $eax, 1, killed $ebp, -5, $noreg |
| RETQ $eax |
| |
| ... |
| --- |
| name: test2add_ebp_32 |
| alignment: 4 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$eax' } |
| - { reg: '$ebp' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 0 |
| adjustsStack: false |
| hasCalls: false |
| maxCallFrameSize: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| body: | |
| bb.0 (%ir-block.0): |
| liveins: $eax, $ebp |
| ; CHECK: $ebp = ADD32rr $ebp, killed $eax |
| ; CHECK: $ebp = ADD32ri8 $ebp, -5 |
| |
| $ebp = LEA32r killed $ebp, 1, killed $eax, -5, $noreg |
| RETQ $ebp |
| |
| ... |
| --- |
| name: test1add_ebp_32 |
| alignment: 4 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$eax' } |
| - { reg: '$ebp' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 0 |
| adjustsStack: false |
| hasCalls: false |
| maxCallFrameSize: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| body: | |
| bb.0 (%ir-block.0): |
| liveins: $eax, $ebp |
| ; CHECK: $ebp = ADD32rr $ebp, killed $eax |
| |
| $ebp = LEA32r killed $ebp, 1, killed $eax, 0, $noreg |
| RETQ $ebp |
| |
| ... |
| --- |
| name: testleaadd_32 |
| alignment: 4 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$eax' } |
| - { reg: '$ebp' } |
| - { reg: '$ebx' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 0 |
| adjustsStack: false |
| hasCalls: false |
| maxCallFrameSize: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| body: | |
| bb.0 (%ir-block.0): |
| liveins: $eax, $ebp, $esi |
| ; CHECK: $ebx = LEA32r killed $eax, 1, killed $ebp, 0 |
| ; CHECK: $ebx = ADD32ri8 $ebx, -5 |
| |
| $ebx = LEA32r killed $eax, 1, killed $ebp, -5, $noreg |
| RETQ $ebx |
| |
| ... |
| --- |
| name: testleaadd_ebp_32 |
| alignment: 4 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$eax' } |
| - { reg: '$ebp' } |
| - { reg: '$ebx' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 0 |
| adjustsStack: false |
| hasCalls: false |
| maxCallFrameSize: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| body: | |
| bb.0 (%ir-block.0): |
| liveins: $eax, $ebp |
| ; CHECK: $ebx = LEA32r killed $eax, 1, killed $ebp, 0, $noreg |
| ; CHECK: $ebx = ADD32ri8 $ebx, -5 |
| |
| $ebx = LEA32r killed $ebp, 1, killed $eax, -5, $noreg |
| RETQ $ebx |
| |
| ... |
| --- |
| name: test1lea_ebp_32 |
| alignment: 4 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$eax' } |
| - { reg: '$ebp' } |
| - { reg: '$ebx' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 0 |
| adjustsStack: false |
| hasCalls: false |
| maxCallFrameSize: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| body: | |
| bb.0 (%ir-block.0): |
| liveins: $eax, $ebp |
| ; CHECK: $ebx = LEA32r killed $eax, 1, killed $ebp, 0, $noreg |
| |
| $ebx = LEA32r killed $ebp, 1, killed $eax, 0, $noreg |
| RETQ $ebx |
| |
| ... |
| --- |
| name: test2addi32_32 |
| alignment: 4 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$eax' } |
| - { reg: '$ebp' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 0 |
| adjustsStack: false |
| hasCalls: false |
| maxCallFrameSize: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| body: | |
| bb.0 (%ir-block.0): |
| liveins: $eax, $ebp |
| ; CHECK: $eax = ADD32rr $eax, killed $ebp |
| ; CHECK: $eax = ADD32ri $eax, 129 |
| |
| $eax = LEA32r killed $eax, 1, killed $ebp, 129, $noreg |
| RETQ $eax |
| |
| ... |
| --- |
| name: test1mov1add_ebp_32 |
| alignment: 4 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$eax' } |
| - { reg: '$ebx' } |
| - { reg: '$ebp' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 0 |
| adjustsStack: false |
| hasCalls: false |
| maxCallFrameSize: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| body: | |
| bb.0 (%ir-block.0): |
| liveins: $eax, $ebp, $ebx |
| ; CHECK: $ebx = MOV32rr $ebp |
| ; CHECK: $ebx = ADD32rr $ebx, $ebp |
| |
| $ebx = LEA32r killed $ebp, 1, $ebp, 0, $noreg |
| RETQ $ebx |
| |
| ... |
| --- |
| name: testleaadd_ebp_index_32 |
| alignment: 4 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$ebx' } |
| - { reg: '$ebp' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 0 |
| adjustsStack: false |
| hasCalls: false |
| maxCallFrameSize: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| body: | |
| bb.0 (%ir-block.0): |
| liveins: $eax, $ebp, $ebx |
| ; CHECK: $ebx = LEA32r $noreg, 1, $ebp, 5, $noreg |
| ; CHECK: $ebx = ADD32rr $ebx, $ebp |
| |
| $ebx = LEA32r $ebp, 1, $ebp, 5, $noreg |
| RETQ $ebx |
| |
| ... |
| --- |
| name: testleaadd_ebp_index2_32 |
| alignment: 4 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$ebx' } |
| - { reg: '$ebp' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 0 |
| adjustsStack: false |
| hasCalls: false |
| maxCallFrameSize: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| body: | |
| bb.0 (%ir-block.0): |
| liveins: $eax, $ebp, $ebx |
| ; CHECK: $ebx = LEA32r $noreg, 4, $ebp, 5, $noreg |
| ; CHECK: $ebx = ADD32rr $ebx, $ebp |
| |
| $ebx = LEA32r $ebp, 4, $ebp, 5, $noreg |
| RETQ $ebx |
| |
| ... |
| --- |
| name: test_skip_opt_32 |
| alignment: 4 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$ebx' } |
| - { reg: '$ebp' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 0 |
| adjustsStack: false |
| hasCalls: false |
| maxCallFrameSize: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| body: | |
| bb.0 (%ir-block.0): |
| liveins: $eax, $ebp, $ebx |
| ; CHECK: $ebp = LEA32r killed $ebp, 4, killed $ebp, 0, $noreg |
| |
| $ebp = LEA32r killed $ebp, 4, killed $ebp, 0, $noreg |
| RETQ $ebp |
| |
| ... |
| --- |
| name: test_skip_eflags_32 |
| alignment: 4 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$ebp' } |
| - { reg: '$eax' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 0 |
| offsetAdjustment: 0 |
| maxAlignment: 0 |
| adjustsStack: false |
| hasCalls: false |
| maxCallFrameSize: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| body: | |
| bb.0 (%ir-block.0): |
| liveins: $eax, $ebp, $ebx |
| ; CHECK: $ebx = LEA32r killed $eax, 4, killed $eax, 5, $noreg |
| ; CHECK: $ebp = LEA32r killed $ebx, 4, killed $ebx, 0, $noreg |
| ; CHECK: $ebp = ADD32ri8 $ebp, 5 |
| |
| CMP32rr $eax, killed $ebx, implicit-def $eflags |
| $ebx = LEA32r killed $eax, 4, killed $eax, 5, $noreg |
| JE_1 %bb.1, implicit $eflags |
| RETQ $ebx |
| bb.1: |
| liveins: $eax, $ebp, $ebx |
| $ebp = LEA32r killed $ebx, 4, killed $ebx, 5, $noreg |
| RETQ $ebp |
| |
| ... |
| |
| |
| |
