# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple=mips-img-linux-gnu -mcpu=mips32r6 %s -o - -start-before mips-delay-slot-filler -stop-after mips-branch-expansion | FileCheck %s --check-prefix=R6 # RUN: llc -mtriple=mips-img-linux-gnu -mcpu=mips32r6 %s -o - -start-before mips-delay-slot-filler -stop-after mips-branch-expansion -relocation-model=pic | FileCheck %s --check-prefix=PIC # Test the long branch expansion of various branches --- | define i32 @a(double %a, double %b) { entry: %cmp = fcmp une double %a, %b br i1 %cmp, label %if.then, label %return if.then: ; preds = %entry call void asm sideeffect ".space 310680", "~{$1}"() ret i32 0 return: ; preds = %entry ret i32 1 } define i32 @b(double %a, double %b) { entry: %cmp = fcmp ueq double %a, %b br i1 %cmp, label %if.then, label %return if.then: ; preds = %entry call void asm sideeffect ".space 310680", "~{$1}"() ret i32 0 return: ; preds = %entry ret i32 1 } ... --- name: a alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true registers: liveins: - { reg: '$d12_64', virtual-reg: '' } - { reg: '$d14_64', virtual-reg: '' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: false hasCalls: false stackProtector: '' maxCallFrameSize: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false localFrameSize: 0 savePoint: '' restorePoint: '' fixedStack: stack: constants: body: | ; R6-LABEL: name: a ; R6: bb.0.entry: ; R6: successors: %bb.2(0x50000000), %bb.1(0x30000000) ; R6: $f0 = CMP_EQ_D killed $d12_64, killed $d14_64 ; R6: BC1NEZ $d0_64, %bb.2 { ; R6: NOP ; R6: } ; R6: bb.1.entry: ; R6: successors: %bb.3(0x80000000) ; R6: BC %bb.3 ; R6: bb.2.if.then: ; R6: INLINEASM &".space 310680", 1 /* sideeffect attdialect */, 12 /* clobber */, implicit-def dead early-clobber $at ; R6: PseudoReturn undef $ra, implicit killed $v0 { ; R6: $v0 = ADDiu $zero, 0 ; R6: } ; R6: bb.3.return: ; R6: PseudoReturn undef $ra, implicit killed $v0 { ; R6: $v0 = ADDiu $zero, 1 ; R6: } ; PIC-LABEL: name: a ; PIC: bb.0.entry: ; PIC: successors: %bb.3(0x50000000), %bb.1(0x30000000) ; PIC: $f0 = CMP_EQ_D killed $d12_64, killed $d14_64 ; PIC: BC1NEZ $d0_64, %bb.3 { ; PIC: NOP ; PIC: } ; PIC: bb.1.entry: ; PIC: successors: %bb.2(0x80000000) ; PIC: $sp = ADDiu $sp, -8 ; PIC: SW $ra, $sp, 0 ; PIC: $at = LONG_BRANCH_LUi target-flags(mips-abs-hi) %bb.4, %bb.2 ; PIC: $at = LONG_BRANCH_ADDiu $at, target-flags(mips-abs-lo) %bb.4, %bb.2 ; PIC: BALC %bb.2, implicit-def $ra ; PIC: bb.2.entry: ; PIC: successors: %bb.4(0x80000000) ; PIC: $at = ADDu $ra, $at ; PIC: $ra = LW $sp, 0 ; PIC: $sp = ADDiu $sp, 8 ; PIC: JIC $at, 0, implicit-def $at ; PIC: bb.3.if.then: ; PIC: INLINEASM &".space 310680", 1 /* sideeffect attdialect */, 12 /* clobber */, implicit-def dead early-clobber $at ; PIC: PseudoReturn undef $ra, implicit killed $v0 { ; PIC: $v0 = ADDiu $zero, 0 ; PIC: } ; PIC: bb.4.return: ; PIC: PseudoReturn undef $ra, implicit killed $v0 { ; PIC: $v0 = ADDiu $zero, 1 ; PIC: } bb.0.entry: successors: %bb.1(0x50000000), %bb.2(0x30000000) liveins: $d12_64, $d14_64 $f0 = CMP_EQ_D killed $d12_64, killed $d14_64 BC1EQZ killed $d0_64, %bb.2, implicit-def $at bb.1.if.then: INLINEASM &".space 310680", 1, 12, implicit-def dead early-clobber $at $v0 = ADDiu $zero, 0 PseudoReturn undef $ra, implicit killed $v0 bb.2.return: $v0 = ADDiu $zero, 1 PseudoReturn undef $ra, implicit killed $v0 ... --- name: b alignment: 4 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false failedISel: false tracksRegLiveness: true registers: liveins: - { reg: '$d12_64', virtual-reg: '' } - { reg: '$d14_64', virtual-reg: '' } frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 1 adjustsStack: false hasCalls: false stackProtector: '' maxCallFrameSize: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false localFrameSize: 0 savePoint: '' restorePoint: '' fixedStack: stack: constants: body: | ; R6-LABEL: name: b ; R6: bb.0.entry: ; R6: successors: %bb.2(0x50000000), %bb.1(0x30000000) ; R6: $f0 = CMP_EQ_D killed $d12_64, killed $d14_64 ; R6: BC1EQZ $d0_64, %bb.2 { ; R6: NOP ; R6: } ; R6: bb.1.entry: ; R6: successors: %bb.3(0x80000000) ; R6: BC %bb.3 ; R6: bb.2.if.then: ; R6: INLINEASM &".space 310680", 1 /* sideeffect attdialect */, 12 /* clobber */, implicit-def dead early-clobber $at ; R6: PseudoReturn undef $ra, implicit killed $v0 { ; R6: $v0 = ADDiu $zero, 0 ; R6: } ; R6: bb.3.return: ; R6: PseudoReturn undef $ra, implicit killed $v0 { ; R6: $v0 = ADDiu $zero, 1 ; R6: } ; PIC-LABEL: name: b ; PIC: bb.0.entry: ; PIC: successors: %bb.3(0x50000000), %bb.1(0x30000000) ; PIC: $f0 = CMP_EQ_D killed $d12_64, killed $d14_64 ; PIC: BC1EQZ $d0_64, %bb.3 { ; PIC: NOP ; PIC: } ; PIC: bb.1.entry: ; PIC: successors: %bb.2(0x80000000) ; PIC: $sp = ADDiu $sp, -8 ; PIC: SW $ra, $sp, 0 ; PIC: $at = LONG_BRANCH_LUi target-flags(mips-abs-hi) %bb.4, %bb.2 ; PIC: $at = LONG_BRANCH_ADDiu $at, target-flags(mips-abs-lo) %bb.4, %bb.2 ; PIC: BALC %bb.2, implicit-def $ra ; PIC: bb.2.entry: ; PIC: successors: %bb.4(0x80000000) ; PIC: $at = ADDu $ra, $at ; PIC: $ra = LW $sp, 0 ; PIC: $sp = ADDiu $sp, 8 ; PIC: JIC $at, 0, implicit-def $at ; PIC: bb.3.if.then: ; PIC: INLINEASM &".space 310680", 1 /* sideeffect attdialect */, 12 /* clobber */, implicit-def dead early-clobber $at ; PIC: PseudoReturn undef $ra, implicit killed $v0 { ; PIC: $v0 = ADDiu $zero, 0 ; PIC: } ; PIC: bb.4.return: ; PIC: PseudoReturn undef $ra, implicit killed $v0 { ; PIC: $v0 = ADDiu $zero, 1 ; PIC: } bb.0.entry: successors: %bb.1(0x50000000), %bb.2(0x30000000) liveins: $d12_64, $d14_64 $f0 = CMP_EQ_D killed $d12_64, killed $d14_64 BC1NEZ killed $d0_64, %bb.2, implicit-def $at bb.1.if.then: INLINEASM &".space 310680", 1, 12, implicit-def dead early-clobber $at $v0 = ADDiu $zero, 0 PseudoReturn undef $ra, implicit killed $v0 bb.2.return: $v0 = ADDiu $zero, 1 PseudoReturn undef $ra, implicit killed $v0 ...