# RUN: llc -march=mips64 -target-abi n64 -start-before=finalize-isel \ # RUN: -stop-after=finalize-isel -relocation-model=pic \ # RUN: -o /dev/null %s # A simple test to show that we can parse the target specific flags: gpoff-hi, # gpoff-lo, got-call, got-disp. --- | @v = global i32 0, align 4 @j = external global i32, align 4 define i32 @_Z2k1i(i32 signext %asd) { entry: %call = tail call i32 @_Z1gi(i32 signext %asd) %add = add nsw i32 %call, %asd %0 = load i32, i32* @v, align 4 %add1 = add nsw i32 %add, %0 %1 = load i32, i32* @j, align 4 %add2 = add nsw i32 %add1, %1 ret i32 %add2 } declare i32 @_Z1gi(i32 signext) ... --- name: _Z2k1i alignment: 8 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: gpr64, preferred-register: '' } - { id: 1, class: gpr64, preferred-register: '' } - { id: 2, class: gpr64, preferred-register: '' } - { id: 3, class: gpr32, preferred-register: '' } - { id: 4, class: gpr32, preferred-register: '' } - { id: 5, class: gpr32, preferred-register: '' } - { id: 6, class: gpr64, preferred-register: '' } - { id: 7, class: gpr32, preferred-register: '' } - { id: 8, class: gpr32, preferred-register: '' } - { id: 9, class: gpr64, preferred-register: '' } - { id: 10, class: gpr32, preferred-register: '' } - { id: 11, class: gpr32, preferred-register: '' } - { id: 12, class: gpr64, preferred-register: '' } - { id: 13, class: gpr64, preferred-register: '' } liveins: - { reg: '$a0_64', virtual-reg: '%0' } - { reg: '$t9_64', virtual-reg: '' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: false hasCalls: true stackProtector: '' maxCallFrameSize: 4294967295 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false savePoint: '' restorePoint: '' fixedStack: stack: constants: body: | bb.0.entry: liveins: $a0_64, $t9_64 %12 = LUi64 target-flags(mips-gpoff-hi) @_Z2k1i %13 = DADDu %12, $t9_64 %1 = DADDiu %13, target-flags(mips-gpoff-lo) @_Z2k1i %0 = COPY $a0_64 ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp %2 = LD %1, target-flags(mips-got-call) @_Z1gi :: (load 8 from call-entry @_Z1gi) $a0_64 = COPY %0 $gp_64 = COPY %1 JALR64Pseudo killed %2, csr_n64, implicit-def dead $ra, implicit $a0_64, implicit $gp_64, implicit-def $sp, implicit-def $v0 ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp %3 = COPY $v0 %4 = COPY %0.sub_32 %5 = ADDu %3, killed %4 %6 = LD %1, target-flags(mips-got-disp) @v :: (load 8 from got) %7 = LW killed %6, 0 :: (dereferenceable load 4 from @v) %8 = ADDu killed %5, killed %7 %9 = LD %1, target-flags(mips-got-disp) @j :: (load 8 from got) %10 = LW killed %9, 0 :: (dereferenceable load 4 from @j) %11 = ADDu killed %8, killed %10 $v0 = COPY %11 RetRA implicit $v0 ...