llvm/test/CodeGen/Mips/cconv/callee-saved.ll

   1 ; RUN: llc -march=mips   < %s | FileCheck --check-prefixes=ALL,O32 %s
   2 ; RUN: llc -march=mipsel < %s | FileCheck --check-prefixes=ALL,O32 %s
   3 ; RUN: llc -march=mips   < %s | FileCheck --check-prefixes=ALL,O32-INV %s
   4 ; RUN: llc -march=mipsel < %s | FileCheck --check-prefixes=ALL,O32-INV %s
   5
   6 ; RUN-TODO: llc -march=mips64 -target-abi o32 < %s \
   7 ; RUN-TODO:   | FileCheck --check-prefixes=ALL,O32 %s
   8 ; RUN-TODO: llc -march=mips64el -target-abi o32 < %s \
   9 ; RUN-TODO:   | FileCheck --check-prefixes=ALL,O32 %s
  10 ; RUN-TODO: llc -march=mips64 -target-abi o32 < %s \
  11 ; RUN-TODO:   | FileCheck --check-prefixes=ALL,O32-INV %s
  12 ; RUN-TODO: llc -march=mips64el -target-abi o32 < %s \
  13 ; RUN-TODO:   | FileCheck --check-prefixes=ALL,O32-INV %s
  14
  15 ; RUN: llc -march=mips64 -target-abi n32 < %s \
  16 ; RUN:   | FileCheck --check-prefixes=ALL,N32 %s
  17 ; RUN: llc -march=mips64el -target-abi n32 < %s \
  18 ; RUN:   | FileCheck --check-prefixes=ALL,N32 %s
  19 ; RUN: llc -march=mips64 -target-abi n32 < %s \
  20 ; RUN:   | FileCheck --check-prefixes=ALL,N32-INV %s
  21 ; RUN: llc -march=mips64el -target-abi n32 < %s \
  22 ; RUN:   | FileCheck --check-prefixes=ALL,N32-INV %s
  23
  24 ; RUN: llc -march=mips64 -target-abi n64 < %s \
  25 ; RUN:   | FileCheck --check-prefixes=ALL,N64 %s
  26 ; RUN: llc -march=mips64el -target-abi n64 < %s \
  27 ; RUN:   | FileCheck --check-prefixes=ALL,N64 %s
  28 ; RUN: llc -march=mips64 -target-abi n64 < %s \
  29 ; RUN:   | FileCheck --check-prefixes=ALL,N64-INV %s
  30 ; RUN: llc -march=mips64el -target-abi n64 < %s \
  31 ; RUN:   | FileCheck --check-prefixes=ALL,N64-INV %s
  32
  33 ; Test the callee-saved registers are callee-saved as specified by section
  34 ; 2 of the MIPSpro N32 Handbook and section 3 of the SYSV ABI spec.
  35
  36 define void @gpr_clobber() nounwind {
  37 entry:
  38         ; Clobbering the stack pointer is a bad idea so we'll skip that one
  39         call void asm "# Clobber", "~{$0},~{$1},~{$2},~{$3},~{$4},~{$5},~{$6},~{$7},~{$8},~{$9},~{$10},~{$11},~{$12},~{$13},~{$14},~{$15},~{$16},~{$17},~{$18},~{$19},~{$20},~{$21},~{$22},~{$23},~{$24},~{$25},~{$26},~{$27},~{$28},~{$30},~{$31}"()
  40         ret void
  41 }
  42
  43 ; ALL-LABEL: gpr_clobber:
  44 ; O32:           addiu $sp, $sp, -40
  45 ; O32-INV-NOT:   sw $0,
  46 ; O32-INV-NOT:   sw $1,
  47 ; O32-INV-NOT:   sw $2,
  48 ; O32-INV-NOT:   sw $3,
  49 ; O32-INV-NOT:   sw $4,
  50 ; O32-INV-NOT:   sw $5,
  51 ; O32-INV-NOT:   sw $6,
  52 ; O32-INV-NOT:   sw $7,
  53 ; O32-INV-NOT:   sw $8,
  54 ; O32-INV-NOT:   sw $9,
  55 ; O32-INV-NOT:   sw $10,
  56 ; O32-INV-NOT:   sw $11,
  57 ; O32-INV-NOT:   sw $12,
  58 ; O32-INV-NOT:   sw $13,
  59 ; O32-INV-NOT:   sw $14,
  60 ; O32-INV-NOT:   sw $15,
  61 ; O32-DAG:       sw [[G16:\$16]], [[OFF16:[0-9]+]]($sp)
  62 ; O32-DAG:       sw [[G17:\$17]], [[OFF17:[0-9]+]]($sp)
  63 ; O32-DAG:       sw [[G18:\$18]], [[OFF18:[0-9]+]]($sp)
  64 ; O32-DAG:       sw [[G19:\$19]], [[OFF19:[0-9]+]]($sp)
  65 ; O32-DAG:       sw [[G20:\$20]], [[OFF20:[0-9]+]]($sp)
  66 ; O32-DAG:       sw [[G21:\$21]], [[OFF21:[0-9]+]]($sp)
  67 ; O32-DAG:       sw [[G22:\$22]], [[OFF22:[0-9]+]]($sp)
  68 ; O32-DAG:       sw [[G23:\$23]], [[OFF23:[0-9]+]]($sp)
  69 ; O32-INV-NOT:   sw $24,
  70 ; O32-INV-NOT:   sw $25,
  71 ; O32-INV-NOT:   sw $26,
  72 ; O32-INV-NOT:   sw $27,
  73 ; O32-INV-NOT:   sw $28,
  74 ; O32-INV-NOT:   sw $29,
  75 ; O32-DAG:       sw [[G30:\$fp]], [[OFF30:[0-9]+]]($sp)
  76 ; O32-DAG:       sw [[G31:\$ra]], [[OFF31:[0-9]+]]($sp)
  77 ; O32-DAG:       lw [[G16]], [[OFF16]]($sp)
  78 ; O32-DAG:       lw [[G17]], [[OFF17]]($sp)
  79 ; O32-DAG:       lw [[G18]], [[OFF18]]($sp)
  80 ; O32-DAG:       lw [[G19]], [[OFF19]]($sp)
  81 ; O32-DAG:       lw [[G20]], [[OFF20]]($sp)
  82 ; O32-DAG:       lw [[G21]], [[OFF21]]($sp)
  83 ; O32-DAG:       lw [[G22]], [[OFF22]]($sp)
  84 ; O32-DAG:       lw [[G23]], [[OFF23]]($sp)
  85 ; O32-DAG:       lw [[G30]], [[OFF30]]($sp)
  86 ; O32-DAG:       lw [[G31]], [[OFF31]]($sp)
  87 ; O32:           addiu $sp, $sp, 40
  88
  89 ; N32:           addiu $sp, $sp, -96
  90 ; N32-INV-NOT:   sd $0,
  91 ; N32-INV-NOT:   sd $1,
  92 ; N32-INV-NOT:   sd $2,
  93 ; N32-INV-NOT:   sd $3,
  94 ; N32-INV-NOT:   sd $4,
  95 ; N32-INV-NOT:   sd $5,
  96 ; N32-INV-NOT:   sd $6,
  97 ; N32-INV-NOT:   sd $7,
  98 ; N32-INV-NOT:   sd $8,
  99 ; N32-INV-NOT:   sd $9,
 100 ; N32-INV-NOT:   sd $10,
 101 ; N32-INV-NOT:   sd $11,
 102 ; N32-INV-NOT:   sd $12,
 103 ; N32-INV-NOT:   sd $13,
 104 ; N32-INV-NOT:   sd $14,
 105 ; N32-INV-NOT:   sd $15,
 106 ; N32-DAG:       sd [[G16:\$16]], [[OFF16:[0-9]+]]($sp)
 107 ; N32-DAG:       sd [[G17:\$17]], [[OFF17:[0-9]+]]($sp)
 108 ; N32-DAG:       sd [[G18:\$18]], [[OFF18:[0-9]+]]($sp)
 109 ; N32-DAG:       sd [[G19:\$19]], [[OFF19:[0-9]+]]($sp)
 110 ; N32-DAG:       sd [[G20:\$20]], [[OFF20:[0-9]+]]($sp)
 111 ; N32-DAG:       sd [[G21:\$21]], [[OFF21:[0-9]+]]($sp)
 112 ; N32-DAG:       sd [[G22:\$22]], [[OFF22:[0-9]+]]($sp)
 113 ; N32-DAG:       sd [[G23:\$23]], [[OFF23:[0-9]+]]($sp)
 114 ; N32-INV-NOT:   sd $24,
 115 ; N32-INV-NOT:   sd $25,
 116 ; N32-INV-NOT:   sd $26,
 117 ; N32-INV-NOT:   sd $27,
 118 ; N32-DAG:       sd [[G28:\$gp]], [[OFF28:[0-9]+]]($sp)
 119 ; N32-INV-NOT:   sd $29,
 120 ; N32-DAG:       sd [[G30:\$fp]], [[OFF30:[0-9]+]]($sp)
 121 ; N32-DAG:       sd [[G31:\$ra]], [[OFF31:[0-9]+]]($sp)
 122 ; N32-DAG:       ld [[G16]], [[OFF16]]($sp)
 123 ; N32-DAG:       ld [[G17]], [[OFF17]]($sp)
 124 ; N32-DAG:       ld [[G18]], [[OFF18]]($sp)
 125 ; N32-DAG:       ld [[G19]], [[OFF19]]($sp)
 126 ; N32-DAG:       ld [[G20]], [[OFF20]]($sp)
 127 ; N32-DAG:       ld [[G21]], [[OFF21]]($sp)
 128 ; N32-DAG:       ld [[G22]], [[OFF22]]($sp)
 129 ; N32-DAG:       ld [[G23]], [[OFF23]]($sp)
 130 ; N32-DAG:       ld [[G28]], [[OFF28]]($sp)
 131 ; N32-DAG:       ld [[G30]], [[OFF30]]($sp)
 132 ; N32-DAG:       ld [[G31]], [[OFF31]]($sp)
 133 ; N32:           addiu $sp, $sp, 96
 134
 135 ; N64:           daddiu $sp, $sp, -96
 136 ; N64-INV-NOT:   sd $0,
 137 ; N64-INV-NOT:   sd $1,
 138 ; N64-INV-NOT:   sd $2,
 139 ; N64-INV-NOT:   sd $3,
 140 ; N64-INV-NOT:   sd $4,
 141 ; N64-INV-NOT:   sd $5,
 142 ; N64-INV-NOT:   sd $6,
 143 ; N64-INV-NOT:   sd $7,
 144 ; N64-INV-NOT:   sd $8,
 145 ; N64-INV-NOT:   sd $9,
 146 ; N64-INV-NOT:   sd $10,
 147 ; N64-INV-NOT:   sd $11,
 148 ; N64-INV-NOT:   sd $12,
 149 ; N64-INV-NOT:   sd $13,
 150 ; N64-INV-NOT:   sd $14,
 151 ; N64-INV-NOT:   sd $15,
 152 ; N64-DAG:       sd [[G16:\$16]], [[OFF16:[0-9]+]]($sp)
 153 ; N64-DAG:       sd [[G17:\$17]], [[OFF17:[0-9]+]]($sp)
 154 ; N64-DAG:       sd [[G18:\$18]], [[OFF18:[0-9]+]]($sp)
 155 ; N64-DAG:       sd [[G19:\$19]], [[OFF19:[0-9]+]]($sp)
 156 ; N64-DAG:       sd [[G20:\$20]], [[OFF20:[0-9]+]]($sp)
 157 ; N64-DAG:       sd [[G21:\$21]], [[OFF21:[0-9]+]]($sp)
 158 ; N64-DAG:       sd [[G22:\$22]], [[OFF22:[0-9]+]]($sp)
 159 ; N64-DAG:       sd [[G23:\$23]], [[OFF23:[0-9]+]]($sp)
 160 ; N64-DAG:       sd [[G30:\$fp]], [[OFF30:[0-9]+]]($sp)
 161 ; N64-DAG:       sd [[G31:\$ra]], [[OFF31:[0-9]+]]($sp)
 162 ; N64-INV-NOT:   sd $24,
 163 ; N64-INV-NOT:   sd $25,
 164 ; N64-INV-NOT:   sd $26,
 165 ; N64-INV-NOT:   sd $27,
 166 ; N64-DAG:       sd [[G28:\$gp]], [[OFF28:[0-9]+]]($sp)
 167 ; N64-INV-NOT:   sd $29,
 168 ; N64-DAG:       ld [[G16]], [[OFF16]]($sp)
 169 ; N64-DAG:       ld [[G17]], [[OFF17]]($sp)
 170 ; N64-DAG:       ld [[G18]], [[OFF18]]($sp)
 171 ; N64-DAG:       ld [[G19]], [[OFF19]]($sp)
 172 ; N64-DAG:       ld [[G20]], [[OFF20]]($sp)
 173 ; N64-DAG:       ld [[G21]], [[OFF21]]($sp)
 174 ; N64-DAG:       ld [[G22]], [[OFF22]]($sp)
 175 ; N64-DAG:       ld [[G23]], [[OFF23]]($sp)
 176 ; N64-DAG:       ld [[G28]], [[OFF28]]($sp)
 177 ; N64-DAG:       ld [[G30]], [[OFF30]]($sp)
 178 ; N64-DAG:       ld [[G31]], [[OFF31]]($sp)
 179 ; N64:           daddiu $sp, $sp, 96