# RUN: llc -run-pass x86-fixup-LEAs -mtriple=x86_64-gnu-unknown -verify-machineinstrs -mcpu=corei7-avx -o - %s | FileCheck %s --- | ; ModuleID = 'lea-2.ll' source_filename = "lea-2.ll" target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" ;generated using: llc -stop-after x86-pad-short-functions lea-2.ll > leaFinxup64.mir ;testleaadd_64_32_1: 3 operands LEA64_32r cannot be replaced with 2 add instructions ; but can be replaced with 1 lea + 1 add define i32 @testleaadd_64_32_1() { ret i32 0 } ;testleaadd_rbp_64_32_1: 3 operands LEA64_32r cannot be replaced with 2 add instructions ; where the base is rbp/r13/ebp register but it can be replaced with 1 lea + 1 add define i32 @testleaadd_rbp_64_32_1() { ret i32 0 } ;test1lea_rbp_64_32_1: 2 operands LEA64_32r where base register is rbp/r13/ebp and can not ; be replaced with an add instruction but can be replaced with 1 lea instruction define i32 @test1lea_rbp_64_32_1() { ret i32 0 } ;test2add_64: 3 operands LEA64r that can be replaced with 2 add instructions define i32 @test2add_64() { ret i32 0 } ;test2add_rbp_64: 3 operands LEA64r that can be replaced with 2 add instructions ; where the base is rbp/r13/ebp register define i32 @test2add_rbp_64() { ret i32 0 } ;test1add_rbp_64: 2 operands LEA64r where base register is rbp/r13/ebp and can be replaced ; with an add instruction define i32 @test1add_rbp_64() { ret i32 0 } ;testleaadd_64_32: 3 operands LEA64_32r that can be replaced with 1 lea 1 add instructions define i32 @testleaadd_64_32() { ret i32 0 } ;testleaadd_rbp_64_32: 3 operands LEA64_32r that can be replaced with 1 lea 1 add instructions ; where the base is rbp/r13/ebp register define i32 @testleaadd_rbp_64_32() { ret i32 0 } ;test1lea_rbp_64_32: 2 operands LEA64_32r where base register is rbp/r13/ebp and can be replaced ; with a lea instruction define i32 @test1lea_rbp_64_32() { ret i32 0 } ;testleaadd_64: 3 operands LEA64r that can be replaced with 1 lea 1 add instructions define i32 @testleaadd_64() { ret i32 0 } ;testleaadd_rbp_64: 3 operands LEA64r that can be replaced with 1 lea 1 add instructions ; where the base is rbp/r13/ebp register define i32 @testleaadd_rbp_64() { ret i32 0 } ;test1lea_rbp_64: 2 operands LEA64r wher base register is rbp/r13/ebp and can be replaced ; with a lea instruction define i32 @test1lea_rbp_64() { ret i32 0 } ;test8: dst = base & scale!=1, can't optimize define i32 @test8() { ret i32 0 } ;testleaaddi32_64_32: 3 operands LEA64_32r that can be replaced with 1 lea + 1 add instructions where ; ADD64ri32 is chosen define i32 @testleaaddi32_64_32() { ret i32 0 } ;test1mov1add_rbp_64_32: 2 operands LEA64_32r cannot be replaced with 1 add 1 mov instructions ; where the base is rbp/r13/ebp register define i32 @test1mov1add_rbp_64_32() { ret i32 0 } ;testleaadd_rbp_index_64_32: 3 operands LEA64_32r that cannot replaced with 1 lea 1 add instructions ; where the base and the index are ebp register and there is offset define i32 @testleaadd_rbp_index_64_32() { ret i32 0 } ;testleaadd_rbp_index2_64_32: 3 operands LEA64_32r that cannot replaced with 1 lea 1 add instructions ; where the base and the index are ebp register and there is scale define i32 @testleaadd_rbp_index2_64_32() { ret i32 0 } ;test2addi32_64: 3 operands LEA64r that can be replaced with 2 add instructions where ADD64ri32 ; is chosen define i32 @test2addi32_64() { ret i32 0 } ;test1mov1add_rbp_64: 2 operands LEA64r that can be replaced with 1 add 1 mov instructions ; where the base is rbp/r13/ebp register define i32 @test1mov1add_rbp_64() { ret i32 0 } ;testleaadd_rbp_index_64: 3 operands LEA64r 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_rbp_index_64() { ret i32 0 } ;testleaadd_rbp_index2_64: 3 operands LEA64r 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_rbp_index2_64() { ret i32 0 } ;test_skip_opt_64: 3 operands LEA64r that can not be replaced with 2 instructions define i32 @test_skip_opt_64() { ret i32 0 } ;test_skip_eflags_64: LEA64r that cannot be replaced since its not safe to clobber eflags define i32 @test_skip_eflags_64() { ret i32 0 } ;test_skip_opt_64_32: 3 operands LEA64_32r that can not be replaced with 2 instructions define i32 @test_skip_opt_64_32() { ret i32 0 } ;test_skip_eflags_64_32: LEA64_32r that cannot be replaced since its not safe to clobber eflags define i32 @test_skip_eflags_64_32() { ret i32 0 } ... --- name: testleaadd_64_32_1 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rax' } - { reg: '%rbp' } 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: %rax, %rbp ; CHECK: %eax = LEA64_32r killed %rax, 1, killed %rbp, 0 ; CHECK: %eax = ADD32ri8 %eax, -5 %eax = LEA64_32r killed %rax, 1, killed %rbp, -5, %noreg RETQ %eax ... --- name: testleaadd_rbp_64_32_1 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rax' } - { reg: '%rbp' } 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: %rax, %rbp ; CHECK: %ebp = LEA64_32r killed %rax, 1, killed %rbp, 0 ; CHECK: %ebp = ADD32ri8 %ebp, -5 %ebp = LEA64_32r killed %rbp, 1, killed %rax, -5, %noreg RETQ %ebp ... --- name: test1lea_rbp_64_32_1 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rax' } - { reg: '%rbp' } 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: %rax, %rbp ; CHECK: %ebp = LEA64_32r killed %rax, 1, killed %rbp, 0 %ebp = LEA64_32r killed %rbp, 1, killed %rax, 0, %noreg RETQ %ebp ... --- name: test2add_64 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rax' } - { reg: '%rbp' } 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: %rax, %rbp ; CHECK: %rax = ADD64rr %rax, killed %rbp ; CHECK: %rax = ADD64ri8 %rax, -5 %rax = LEA64r killed %rax, 1, killed %rbp, -5, %noreg RETQ %eax ... --- name: test2add_rbp_64 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rax' } - { reg: '%rbp' } 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: %rax, %rbp ; CHECK: %rbp = ADD64rr %rbp, killed %rax ; CHECK: %rbp = ADD64ri8 %rbp, -5 %rbp = LEA64r killed %rbp, 1, killed %rax, -5, %noreg RETQ %ebp ... --- name: test1add_rbp_64 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rax' } - { reg: '%rbp' } 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: %rax, %rbp ; CHECK: %rbp = ADD64rr %rbp, killed %rax %rbp = LEA64r killed %rbp, 1, killed %rax, 0, %noreg RETQ %ebp ... --- name: testleaadd_64_32 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rax' } - { reg: '%rbp' } - { reg: '%rbx' } 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: %rax, %rbp ; CHECK: %ebx = LEA64_32r killed %rax, 1, killed %rbp, 0, %noreg ; CHECK: %ebx = ADD32ri8 %ebx, -5 %ebx = LEA64_32r killed %rax, 1, killed %rbp, -5, %noreg RETQ %ebx ... --- name: testleaadd_rbp_64_32 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rax' } - { reg: '%rbp' } - { reg: '%rbx' } 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: %rax, %rbp ; CHECK: %ebx = LEA64_32r killed %rax, 1, killed %rbp, 0, %noreg ; CHECK: %ebx = ADD32ri8 %ebx, -5 %ebx = LEA64_32r killed %rbp, 1, killed %rax, -5, %noreg RETQ %ebx ... --- name: test1lea_rbp_64_32 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rax' } - { reg: '%rbp' } - { reg: '%rbx' } 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: %rax, %rbp ; CHECK: %ebx = LEA64_32r killed %rax, 1, killed %rbp, 0, %noreg %ebx = LEA64_32r killed %rbp, 1, killed %rax, 0, %noreg RETQ %ebx ... --- name: testleaadd_64 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rax' } - { reg: '%rbp' } - { reg: '%rbx' } 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: %rax, %rbp ; CHECK: %rbx = LEA64r killed %rax, 1, killed %rbp, 0, %noreg ; CHECK: %rbx = ADD64ri8 %rbx, -5 %rbx = LEA64r killed %rax, 1, killed %rbp, -5, %noreg RETQ %ebx ... --- name: testleaadd_rbp_64 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rax' } - { reg: '%rbp' } - { reg: '%rbx' } 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: %rax, %rbp ; CHECK: %rbx = LEA64r killed %rax, 1, killed %rbp, 0, %noreg ; CHECK: %rbx = ADD64ri8 %rbx, -5 %rbx = LEA64r killed %rbp, 1, killed %rax, -5, %noreg RETQ %ebx ... --- name: test1lea_rbp_64 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rax' } - { reg: '%rbp' } - { reg: '%rbx' } 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: %rax, %rbp ; CHECK: %rbx = LEA64r killed %rax, 1, killed %rbp, 0, %noreg %rbx = LEA64r killed %rbp, 1, killed %rax, 0, %noreg RETQ %ebx ... --- name: test8 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rdi' } - { reg: '%rbp' } 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: %rdi, %rbp ; CHECK: %r12 = LEA64r %noreg, 2, killed %r13, 5, %noreg ; CHECK: %r12 = ADD64rr %r12, killed %rbp %rbp = KILL %rbp, implicit-def %rbp %r13 = KILL %rdi, implicit-def %r13 %r12 = LEA64r killed %rbp, 2, killed %r13, 5, %noreg RETQ %r12 ... --- name: testleaaddi32_64_32 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rax' } - { reg: '%rbp' } 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: %rax, %rbp ; CHECK: %eax = LEA64_32r killed %rax, 1, killed %rbp, 0 ; CHECK: %eax = ADD32ri %eax, 129 %eax = LEA64_32r killed %rax, 1, killed %rbp, 129, %noreg RETQ %eax ... --- name: test1mov1add_rbp_64_32 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rax' } - { reg: '%rbp' } 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: %rax, %rbp, %rbx ; CHECK: %ebx = LEA64_32r killed %rbp, 1, killed %rbp, 0, %noreg %ebx = LEA64_32r killed %rbp, 1, killed %rbp, 0, %noreg RETQ %ebx ... --- name: testleaadd_rbp_index_64_32 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rbx' } - { reg: '%rbp' } 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: %rax, %rbp, %rbx ; CHECK: %ebx = LEA64_32r killed %rbp, 1, killed %rbp, 5, %noreg %ebx = LEA64_32r killed %rbp, 1, killed %rbp, 5, %noreg RETQ %ebx ... --- name: testleaadd_rbp_index2_64_32 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rbx' } - { reg: '%rbp' } 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 = LEA64_32r killed %rbp, 4, killed %rbp, 5, %noreg %ebx = LEA64_32r killed %rbp, 4, killed %rbp, 5, %noreg RETQ %ebx ... --- name: test2addi32_64 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rax' } - { reg: '%rbp' } 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: %rax, %rbp ; CHECK: %rax = ADD64rr %rax, killed %rbp ; CHECK: %rax = ADD64ri32 %rax, 129 %rax = LEA64r killed %rax, 1, killed %rbp, 129, %noreg RETQ %eax ... --- name: test1mov1add_rbp_64 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rax' } - { reg: '%rbp' } 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: %rax, %rbp, %rbx ; CHECK: %rbx = MOV64rr %rbp ; CHECK: %rbx = ADD64rr %rbx, %rbp %rbx = LEA64r %rbp, 1, %rbp, 0, %noreg RETQ %ebx ... --- name: testleaadd_rbp_index_64 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rbx' } - { reg: '%rbp' } 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: %rax, %rbp, %rbx ; CHECK: %rbx = LEA64r %noreg, 1, %rbp, 5, %noreg ; CHECK: %rbx = ADD64rr %rbx, %rbp %rbx = LEA64r %rbp, 1, %rbp, 5, %noreg RETQ %ebx ... --- name: testleaadd_rbp_index2_64 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rbx' } - { reg: '%rbp' } 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: %rax, %rbp, %rbx ; CHECK: %rbx = LEA64r %noreg, 4, %rbp, 5, %noreg ; CHECK: %rbx = ADD64rr %rbx, %rbp %rbx = LEA64r %rbp, 4, %rbp, 5, %noreg RETQ %ebx ... --- name: test_skip_opt_64 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rbx' } - { reg: '%rbp' } 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: %rax, %rbp, %rbx ; CHECK: %rbp = LEA64r killed %rbp, 4, killed %rbp, 0, %noreg %rbp = LEA64r killed %rbp, 4, killed %rbp, 0, %noreg RETQ %ebp ... --- name: test_skip_eflags_64 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rbp' } - { reg: '%rax' } 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: %rax, %rbp, %rbx ; CHECK: %rbx = LEA64r killed %rax, 4, killed %rax, 5, %noreg ; CHECK: %rbp = LEA64r killed %rbx, 4, killed %rbx, 0, %noreg ; CHECK: %rbp = ADD64ri8 %rbp, 5 CMP64rr %rax, killed %rbx, implicit-def %eflags %rbx = LEA64r killed %rax, 4, killed %rax, 5, %noreg JE_1 %bb.1, implicit %eflags RETQ %ebx bb.1: liveins: %rax, %rbp, %rbx %rbp = LEA64r killed %rbx, 4, killed %rbx, 5, %noreg RETQ %ebp ... --- name: test_skip_opt_64_32 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rbx' } - { reg: '%rbp' } 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: %rax, %rbp, %rbx ; CHECK: %ebp = LEA64_32r killed %rbp, 4, killed %rbp, 0, %noreg %ebp = LEA64_32r killed %rbp, 4, killed %rbp, 0, %noreg RETQ %ebp ... --- name: test_skip_eflags_64_32 alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true liveins: - { reg: '%rbp' } - { reg: '%rax' } 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: %rax, %rbp, %rbx ; CHECK: %ebx = LEA64_32r killed %rax, 4, killed %rax, 5, %noreg ; CHECK: %ebp = LEA64_32r killed %rbx, 4, killed %rbx, 0, %noreg ; CHECK: %ebp = ADD32ri8 %ebp, 5 CMP64rr %rax, killed %rbx, implicit-def %eflags %ebx = LEA64_32r killed %rax, 4, killed %rax, 5, %noreg JE_1 %bb.1, implicit %eflags RETQ %ebx bb.1: liveins: %rax, %rbp, %rbx %ebp = LEA64_32r killed %rbx, 4, killed %rbx, 5, %noreg RETQ %ebp ...