[SubZero] Generate relocations for MIPS

tests_lit/assembler/mips32/encoding_test_arith_fp.ll

 ; Test encoding of MIPS32 floating point arithmetic instructions
 
 ; REQUIRES: allow_dump
 
 ; Compile using standalone assembler.
 ; RUN: %p2i --filetype=asm -i %s --target=mips32 --args -O2 \
 ; RUN:   --allow-externally-defined-symbols --skip-unimplemented \
 ; RUN:   | FileCheck %s --check-prefix=ASM
 
 ; Show bytes in assembled standalone code.
@@ skipping 452 matching lines @@
 ; IASM-NEXT:    .byte 0x20
 ; IASM-NEXT:    .byte 0x46
 ; IASM-NEXT:    .byte 0x8
 ; IASM-NEXT:    .byte 0x0
 ; IASM-NEXT:    .byte 0xe0
 ; IASM-NEXT:    .byte 0x3
 ; IASM-NEXT:    .byte 0x0
 ; IASM-NEXT:    .byte 0x0
 ; IASM-NEXT:    .byte 0x0
 ; IASM-NEXT:    .byte 0x0
+
+define internal i64 @cast_d2ll_const() {
+entry:
+  %v0 = bitcast double 0x12345678901234 to i64
+  ret i64 %v0
+}
+; ASM-LABEL: cast_d2ll_const
+; ASM-LABEL: .Lcast_d2ll_const$entry:
+; ASM-NEXT:     lui $[[REG:.*]], %hi({{.*}})
+; ASM-NEXT:     ldc1 $[[FREG:.*]], %lo({{.*}})($[[REG]])
+
+; DIS-LABEL: 000000c0 <cast_d2ll_const>:
+; DIS-NEXT:  c0: 3c020000  lui v0,0x0
+; DIS-NEXT:  c4: d4400000  ldc1 $f0,0(v0)
+
+; IASM-LABEL: cast_d2ll_const:
+; IASM-LABEL: .Lcast_d2ll_const$entry:
+; IASM-NEXT:    .word 0x3c020000 # R_MIPS_HI16 [[LAB:.*]]
+; IASM-NEXT:    .word 0xd4400000 # R_MIPS_LO16 [[LAB]]
+; IASM-NEXT:    .byte 0x0
+; IASM-NEXT:    .byte 0x8
+; IASM-NEXT:    .byte 0x3
+; IASM-NEXT:    .byte 0x44
+; IASM-NEXT:    .byte 0x0
+; IASM-NEXT:    .byte 0x0
+; IASM-NEXT:    .byte 0x2
+; IASM-NEXT:    .byte 0x44
+; IASM-NEXT:    .byte 0x8
+; IASM-NEXT:    .byte 0x0
+; IASM-NEXT:    .byte 0xe0
+; IASM-NEXT:    .byte 0x3
+; IASM-NEXT:    .byte 0x0
+; IASM-NEXT:    .byte 0x0
+; IASM-NEXT:    .byte 0x0
+; IASM-NEXT:    .byte 0x0
+
+
+declare void @bar(i32 %a1, i32 %a2)
+define internal void @Call() {
+  call void @bar(i32 1, i32 2)
+  ret void
+}
+; ASM-LABEL: Call
+; ASM: jal      bar
+
+; DIS-LABEL: 000000e0 <Call>:
+; DIS: f0: 0c000000  jal     0
+
+; IASM-LABEL: Call:
+; IASM: .word 0xc000000 # R_MIPS_26 bar