1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2 # RUN: llc -mtriple=mips-mti-linux-gnu -mattr=+micromips %s -o - -start-before mips-delay-slot-filler -stop-after mips-branch-expansion | FileCheck %s --check-prefix=MM 3 # RUN: llc -mtriple=mips-mti-linux-gnu -mattr=+micromips %s -o - -start-before mips-delay-slot-filler -stop-after mips-branch-expansion -relocation-model=pic | FileCheck %s --check-prefix=PIC 4 5 # Test the long branch expansion of various branches 6 7 --- | 8 9 define i32 @a(double %a, double %b) { 10 entry: 11 %cmp = fcmp une double %a, %b 12 br i1 %cmp, label %if.then, label %return 13 14 if.then: 15 call void asm sideeffect ".space 310680", "~{$1}"() 16 ret i32 0 17 18 return: 19 ret i32 1 20 } 21 22 define i32 @b(double %a, double %b) { 23 entry: 24 %cmp = fcmp ueq double %a, %b 25 br i1 %cmp, label %if.then, label %return 26 27 if.then: 28 call void asm sideeffect ".space 310680", "~{$1}"() 29 ret i32 0 30 31 return: 32 ret i32 1 33 } 34 35 ... 36 --- 37 name: a 38 alignment: 2 39 exposesReturnsTwice: false 40 legalized: false 41 regBankSelected: false 42 selected: false 43 failedISel: false 44 tracksRegLiveness: true 45 registers: 46 liveins: 47 - { reg: '$d6', virtual-reg: '' } 48 - { reg: '$d7', virtual-reg: '' } 49 frameInfo: 50 isFrameAddressTaken: false 51 isReturnAddressTaken: false 52 hasStackMap: false 53 hasPatchPoint: false 54 stackSize: 0 55 offsetAdjustment: 0 56 maxAlignment: 1 57 adjustsStack: false 58 hasCalls: false 59 stackProtector: '' 60 maxCallFrameSize: 0 61 hasOpaqueSPAdjustment: false 62 hasVAStart: false 63 hasMustTailInVarArgFunc: false 64 localFrameSize: 0 65 savePoint: '' 66 restorePoint: '' 67 fixedStack: 68 stack: 69 constants: 70 body: | 71 ; MM-LABEL: name: a 72 ; MM: bb.0.entry: 73 ; MM: successors: %bb.2(0x50000000), %bb.1(0x30000000) 74 ; MM: FCMP_D32_MM killed renamable $d6, killed renamable $d7, 2, implicit-def $fcc0 75 ; MM: BC1F_MM $fcc0, %bb.2, implicit-def $at { 76 ; MM: NOP 77 ; MM: } 78 ; MM: bb.1.entry: 79 ; MM: successors: %bb.3(0x80000000) 80 ; MM: J %bb.3, implicit-def $at { 81 ; MM: NOP 82 ; MM: } 83 ; MM: bb.2.if.then: 84 ; MM: INLINEASM &".space 310680", 1, 12, implicit-def dead early-clobber $at 85 ; MM: $v0 = LI16_MM 0 86 ; MM: JRC16_MM undef $ra, implicit killed $v0 87 ; MM: bb.3.return: 88 ; MM: $v0 = LI16_MM 1 89 ; MM: JRC16_MM undef $ra, implicit killed $v0 90 ; PIC-LABEL: name: a 91 ; PIC: bb.0.entry: 92 ; PIC: successors: %bb.3(0x50000000), %bb.1(0x30000000) 93 ; PIC: FCMP_D32_MM killed renamable $d6, killed renamable $d7, 2, implicit-def $fcc0 94 ; PIC: BC1F_MM $fcc0, %bb.3, implicit-def $at { 95 ; PIC: NOP 96 ; PIC: } 97 ; PIC: bb.1.entry: 98 ; PIC: successors: %bb.2(0x80000000) 99 ; PIC: $sp = ADDiu $sp, -8 100 ; PIC: SW $ra, $sp, 0 101 ; PIC: $at = LONG_BRANCH_LUi target-flags(mips-abs-hi) %bb.4, %bb.2 102 ; PIC: BAL_BR_MM %bb.2, implicit-def $ra { 103 ; PIC: $at = LONG_BRANCH_ADDiu $at, target-flags(mips-abs-lo) %bb.4, %bb.2 104 ; PIC: } 105 ; PIC: bb.2.entry: 106 ; PIC: successors: %bb.4(0x80000000) 107 ; PIC: $at = ADDu $ra, $at 108 ; PIC: $ra = LW $sp, 0 109 ; PIC: JR $at { 110 ; PIC: $sp = ADDiu $sp, 8 111 ; PIC: } 112 ; PIC: bb.3.if.then: 113 ; PIC: INLINEASM &".space 310680", 1, 12, implicit-def dead early-clobber $at 114 ; PIC: $v0 = LI16_MM 0 115 ; PIC: JRC16_MM undef $ra, implicit killed $v0 116 ; PIC: bb.4.return: 117 ; PIC: $v0 = LI16_MM 1 118 ; PIC: JRC16_MM undef $ra, implicit killed $v0 119 bb.0.entry: 120 successors: %bb.1(0x50000000), %bb.2(0x30000000) 121 liveins: $d6, $d7 122 123 FCMP_D32_MM killed renamable $d6, killed renamable $d7, 2, implicit-def $fcc0 124 BC1T_MM killed $fcc0, %bb.2, implicit-def dead $at 125 126 bb.1.if.then: 127 INLINEASM &".space 310680", 1, 12, implicit-def dead early-clobber $at 128 $v0 = LI16_MM 0 129 PseudoReturn undef $ra, implicit killed $v0 130 131 bb.2.return: 132 $v0 = LI16_MM 1 133 PseudoReturn undef $ra, implicit killed $v0 134 135 ... 136 --- 137 name: b 138 alignment: 2 139 exposesReturnsTwice: false 140 legalized: false 141 regBankSelected: false 142 selected: false 143 failedISel: false 144 tracksRegLiveness: true 145 registers: 146 liveins: 147 - { reg: '$d6', virtual-reg: '' } 148 - { reg: '$d7', virtual-reg: '' } 149 frameInfo: 150 isFrameAddressTaken: false 151 isReturnAddressTaken: false 152 hasStackMap: false 153 hasPatchPoint: false 154 stackSize: 0 155 offsetAdjustment: 0 156 maxAlignment: 1 157 adjustsStack: false 158 hasCalls: false 159 stackProtector: '' 160 maxCallFrameSize: 0 161 hasOpaqueSPAdjustment: false 162 hasVAStart: false 163 hasMustTailInVarArgFunc: false 164 localFrameSize: 0 165 savePoint: '' 166 restorePoint: '' 167 fixedStack: 168 stack: 169 constants: 170 body: | 171 ; MM-LABEL: name: b 172 ; MM: bb.0.entry: 173 ; MM: successors: %bb.2(0x30000000), %bb.1(0x50000000) 174 ; MM: FCMP_D32_MM killed renamable $d6, killed renamable $d7, 19, implicit-def $fcc0 175 ; MM: BC1F_MM killed $fcc0, %bb.1, implicit-def dead $at { 176 ; MM: NOP 177 ; MM: } 178 ; MM: bb.1.return: 179 ; MM: $v0 = LI16_MM 1 180 ; MM: JRC16_MM undef $ra, implicit killed $v0 181 ; MM: bb.2.if.then: 182 ; MM: INLINEASM &".space 310680", 1, 12, implicit-def dead early-clobber $at 183 ; MM: $v0 = LI16_MM 0 184 ; MM: JRC16_MM undef $ra, implicit killed $v0 185 ; PIC-LABEL: name: b 186 ; PIC: bb.0.entry: 187 ; PIC: successors: %bb.2(0x30000000), %bb.1(0x50000000) 188 ; PIC: FCMP_D32_MM killed renamable $d6, killed renamable $d7, 19, implicit-def $fcc0 189 ; PIC: BC1F_MM killed $fcc0, %bb.1, implicit-def dead $at { 190 ; PIC: NOP 191 ; PIC: } 192 ; PIC: bb.1.return: 193 ; PIC: $v0 = LI16_MM 1 194 ; PIC: JRC16_MM undef $ra, implicit killed $v0 195 ; PIC: bb.2.if.then: 196 ; PIC: INLINEASM &".space 310680", 1, 12, implicit-def dead early-clobber $at 197 ; PIC: $v0 = LI16_MM 0 198 ; PIC: JRC16_MM undef $ra, implicit killed $v0 199 bb.0.entry: 200 successors: %bb.1(0x30000000), %bb.2(0x50000000) 201 liveins: $d6, $d7 202 203 FCMP_D32_MM killed renamable $d6, killed renamable $d7, 19, implicit-def $fcc0 204 BC1F_MM killed $fcc0, %bb.2, implicit-def dead $at 205 206 bb.2.return: 207 $v0 = LI16_MM 1 208 PseudoReturn undef $ra, implicit killed $v0 209 210 bb.1.if.then: 211 INLINEASM &".space 310680", 1, 12, implicit-def dead early-clobber $at 212 $v0 = LI16_MM 0 213 PseudoReturn undef $ra, implicit killed $v0 214 215 ... 216
