# 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
...