Subzero, MIPS32: Enable MIPS support in lit tests

tests_lit/llvm2ice_tests/globalinit.pnacl.ll

 ; Test of global initializers.
 
 ; REQUIRES: allow_dump
 
 ; Test initializers with -filetype=asm.
 ; RUN: %if --need=target_X8632 --command %p2i --filetype=asm --target x8632 \
 ; RUN:   -i %s --args -O2 -allow-externally-defined-symbols \
 ; RUN:   | %if --need=target_X8632 --command FileCheck %s
 
 ; RUN: %if --need=target_ARM32 --command %p2i --filetype=asm --target arm32 \
@@ skipping 26 matching lines @@
 ; RUN:   -allow-externally-defined-symbols \
 ; RUN:   | %if --need=target_ARM32 --command FileCheck \
 ; RUN:   --check-prefix=IASARM32 %s
 
 ; RUN: %if --need=target_ARM32 --command %p2i --filetype=asm --assemble \
 ; RUN:   --disassemble --dis-flags=-t --target arm32 -i %s \
 ; RUN:   --args --verbose none \
 ; RUN:   -allow-externally-defined-symbols \
 ; RUN:   | %if --need=target_ARM32 --command FileCheck --check-prefix=SYMTAB %s
 
+; RUN: %if --need=target_MIPS32 --need=allow_dump \
+; RUN:   --command %p2i --filetype=asm --assemble --disassemble --target \
+; RUN:   mips32 -i %s --args -O2 -allow-externally-defined-symbols \
+; RUN:   | %if --need=target_MIPS32 --need=allow_dump \
+; RUN:   --command FileCheck --check-prefix=IASMIPS32 %s
+
+; RUN: %if --need=target_MIPS32 --need=allow_dump --command %p2i \
+; RUN:   --filetype=asm --assemble --disassemble --dis-flags=-t \
+; RUN:   --target mips32 -i %s --args --verbose none \
+; RUN:   -allow-externally-defined-symbols \
+; RUN:   | %if --need=target_MIPS32 --need=allow_dump \
+; RUN:   --command FileCheck --check-prefix=SYMTAB %s
+
 define internal i32 @main(i32 %argc, i32 %argv) {
 entry:
   %expanded1 = ptrtoint [4 x i8]* @PrimitiveInit to i32
   call void @use(i32 %expanded1)
   %expanded3 = ptrtoint [4 x i8]* @PrimitiveInitConst to i32
   call void @use(i32 %expanded3)
   %expanded5 = ptrtoint [4 x i8]* @PrimitiveInitStatic to i32
   call void @use(i32 %expanded5)
   %expanded7 = ptrtoint [4 x i8]* @PrimitiveUninit to i32
   call void @use(i32 %expanded7)
@@ skipping 20 matching lines @@
 ; NOTE: The symbol table sorting has no relation to the code's references.
 ; IAS-LABEL: main
 ; SYMTAB-LABEL: SYMBOL TABLE
 
 ; SYMTAB-DAG: 00000000 {{.*}} .data {{.*}} PrimitiveInit
 ; IAS: mov {{.*}},0x0 {{.*}} .data
 ; IAS: call
 ; IASARM32: movw {{.*}} PrimitiveInit
 ; IASARM32: movt {{.*}} PrimitiveInit
 ; IASARM32: bl
+; IASMIPS32:    lui     {{.*}}  PrimitiveInit
+; IASMIPS32:    addiu   {{.*}}  PrimitiveInit
+; IASMIPS32:    jal
 
 ; SYMTAB-DAG: 00000000 {{.*}} .rodata {{.*}} PrimitiveInitConst
 ; IAS: mov {{.*}},0x0 {{.*}} .rodata
 ; IAS: call
 ; IASARM32: movw {{.*}} PrimitiveInitConst
 ; IASARM32: movt {{.*}} PrimitiveInitConst
 ; IASARM32: bl
+; IASMIPS32:    lui     {{.*}}  PrimitiveInitConst
+; IASMIPS32:    addiu   {{.*}}  PrimitiveInitConst
+; IASMIPS32:    jal
 
 ; SYMTAB-DAG: 00000000 {{.*}} .bss {{.*}} PrimitiveInitStatic
 ; IAS: mov {{.*}},0x0 {{.*}} .bss
 ; IAS: call
 ; IASARM32: movw {{.*}} PrimitiveInitStatic
 ; IASARM32: movt {{.*}} PrimitiveInitStatic
 ; IASARM32: bl
+; IASMIPS32:    lui     {{.*}}  PrimitiveInitStatic
+; IASMIPS32:    addiu   {{.*}}  PrimitiveInitStatic
+; IASMIPS32:    jal
 
 ; SYMTAB-DAG: 00000004 {{.*}} .bss {{.*}} PrimitiveUninit
 ; IAS: mov {{.*}},0x4 {{.*}} .bss
 ; IAS: call
 ; IASARM32: movw {{.*}} PrimitiveUninit
 ; IASARM32: movt {{.*}} PrimitiveUninit
 ; IASARM32: bl
+; IASMIPS32:    lui     {{.*}}  PrimitiveUninit
+; IASMIPS32:    addiu   {{.*}}  PrimitiveUninit
+; IASMIPS32:    jal
 
 ; SYMTAB-DAG: 00000004{{.*}}.data{{.*}}ArrayInit
 ; IAS: mov {{.*}},0x4 {{.*}} .data
 ; IAS: call
 ; IASARM32: movw {{.*}} ArrayInit
 ; IASARM32: movt {{.*}} ArrayInit
 ; IASARM32: bl
+; IASMIPS32:    lui     {{.*}}  ArrayInit
+; IASMIPS32:    addiu   {{.*}}  ArrayInit
+; IASMIPS32:    jal
 
 ; SYMTAB-DAG: 00000018 {{.*}} .data {{.*}} ArrayInitPartial
 ; IAS: mov {{.*}},0x18 {{.*}} .data
 ; IAS: call
 ; IASARM32: movw {{.*}} ArrayInitPartial
 ; IASARM32: movt {{.*}} ArrayInitPartial
 ; IASARM32: bl
+; IASMIPS32:    lui     {{.*}}  ArrayInitPartial
+; IASMIPS32:    addiu   {{.*}}  ArrayInitPartial
+; IASMIPS32:    jal
 
 ; SYMTAB-DAG: 00000008 {{.*}} .bss {{.*}} ArrayUninit
 ; IAS: mov {{.*}},0x8 {{.*}} .bss
 ; IAS: call
 ; IASARM32: movw {{.*}} ArrayUninit
 ; IASARM32: movt {{.*}} ArrayUninit
 ; IASARM32: bl
+; IASMIPS32:    lui     {{.*}}  ArrayUninit
+; IASMIPS32:    addiu   {{.*}}  ArrayUninit
+; IASMIPS32:    jal
 
 declare void @use(i32)
 
 define internal i32 @nacl_tp_tdb_offset(i32 %__0) {
 entry:
   ret i32 0
 }
 
 define internal i32 @nacl_tp_tls_offset(i32 %size) {
 entry:
@@ skipping 71 matching lines @@
 ; CHECK: .section .rodata,"a",%progbits
 ; CHECK-NEXT: .p2align 2
 ; CHECK-NEXT: ArrayUninitConstInt:
 ; CHECK-NEXT: .zero 20
 ; CHECK-NEXT: .size ArrayUninitConstInt, 20
 
 @__init_array_start = internal constant [0 x i8] zeroinitializer, align 4
 @__fini_array_start = internal constant [0 x i8] zeroinitializer, align 4
 @__tls_template_start = internal constant [0 x i8] zeroinitializer, align 8
 @__tls_template_alignment = internal constant [4 x i8] c"\01\00\00\00", align 4