[SubZero] Generate ELF output for MIPS

tests_lit/assembler/mips32/encoding_test_arith.ll

Index: tests_lit/assembler/mips32/encoding_test_arith.ll
diff --git a/tests_lit/assembler/mips32/encoding_test_arith.ll b/tests_lit/assembler/mips32/encoding_test_arith.ll
new file mode 100644
index 0000000000000000000000000000000000000000..7df1d49de4ccb1f6b4aea0ab112cd3c81c966ea6
--- /dev/null
+++ b/tests_lit/assembler/mips32/encoding_test_arith.ll
@@ -0,0 +1,164 @@
+; Test encoding of MIPS32 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.
+; RUN: %p2i --filetype=asm -i %s --target=mips32 --assemble --disassemble \
+; RUN:   --args -O2 --allow-externally-defined-symbols --skip-unimplemented \
+; RUN:   | FileCheck %s --check-prefix=DIS
+
+; Compile using integrated assembler.
+; RUN: %p2i --filetype=iasm -i %s --target=mips32 --args -O2 \
+; RUN:   --allow-externally-defined-symbols --skip-unimplemented \
+; RUN:   | FileCheck %s --check-prefix=IASM
+
+; Show bytes in assembled integrated code.
+; RUN: %p2i --filetype=iasm -i %s --target=mips32 --assemble --disassemble \
+; RUN:   --args -O2 --allow-externally-defined-symbols --skip-unimplemented \
+; RUN:   | FileCheck %s --check-prefix=DIS
+
+define internal i32 @test_01(i32 %a) {
+  %v = add i32 %a, 1
+  %v1 = and i32 %v, 1
+  %v2 = or i32 %v1, 1
+  %v3 = xor i32 %v2, 1
+  ret i32 %v3
+}
+
+; ASM-LABEL: test_01:
+; ASM-NEXT: .Ltest_01$__0:
+; ASM-NEXT:	# $zero = def.pseudo
+; ASM-NEXT:	addiu	$v0, $zero, 1
+; ASM-NEXT:	addu	$a0, $a0, $v0
+; ASM-NEXT:	# $zero = def.pseudo
+; ASM-NEXT:	addiu	$v0, $zero, 1
+; ASM-NEXT:	and	$a0, $a0, $v0
+; ASM-NEXT:	# $zero = def.pseudo
+; ASM-NEXT:	addiu	$v0, $zero, 1
+; ASM-NEXT:	or	$a0, $a0, $v0
+; ASM-NEXT:	# $zero = def.pseudo
+; ASM-NEXT:	addiu	$v0, $zero, 1
+; ASM-NEXT:	xor	$a0, $a0, $v0
+; ASM-NEXT:	move	$v0, $a0
+; ASM-NEXT:	jr	$ra
+
+; DIS-LABEL:00000000 <test_01>:
+; DIS-NEXT:   0:   24020001	li	v0,1
+; DIS-NEXT:   4:   00822021	addu	a0,a0,v0
+; DIS-NEXT:   8:   24020001	li	v0,1
+; DIS-NEXT:   c:   00822024	and	a0,a0,v0
+; DIS-NEXT:  10:   24020001	li	v0,1
+; DIS-NEXT:  14:   00822025	or	a0,a0,v0
+; DIS-NEXT:  18:   24020001	li	v0,1
+; DIS-NEXT:  1c:   00822026	xor	a0,a0,v0
+; DIS-NEXT:  20:   00801021	move	v0,a0
+; DIS-NEXT:  24:   03e00008	jr	ra
+; DIS-NEXT:  28:   00000000	nop
+
+; IASM-LABEL: test_01:
+; IASM-LABEL: .Ltest_01$__0:
+; IASM-NEXT:	.byte 0x1
+; IASM-NEXT:	.byte 0x0
+; IASM-NEXT:	.byte 0x2
+; IASM-NEXT:	.byte 0x24
+; IASM-NEXT:	.byte 0x21
+; IASM-NEXT:	.byte 0x20
+; IASM-NEXT:	.byte 0x82
+; IASM-NEXT:	.byte 0x0
+; IASM-NEXT:	.byte 0x1
+; IASM-NEXT:	.byte 0x0
+; IASM-NEXT:	.byte 0x2
+; IASM-NEXT:	.byte 0x24
+; IASM-NEXT:	.byte 0x24
+; IASM-NEXT:	.byte 0x20
+; IASM-NEXT:	.byte 0x82
+; IASM-NEXT:	.byte 0x0
+; IASM-NEXT:	.byte 0x1
+; IASM-NEXT:	.byte 0x0
+; IASM-NEXT:	.byte 0x2
+; IASM-NEXT:	.byte 0x24
+; IASM-NEXT:	.byte 0x25
+; IASM-NEXT:	.byte 0x20
+; IASM-NEXT:	.byte 0x82
+; IASM-NEXT:	.byte 0x0
+; IASM-NEXT:	.byte 0x1
+; IASM-NEXT:	.byte 0x0
+; IASM-NEXT:	.byte 0x2
+; IASM-NEXT:	.byte 0x24
+; IASM-NEXT:	.byte 0x26
+; IASM-NEXT:	.byte 0x20
+; IASM-NEXT:	.byte 0x82
+; IASM-NEXT:	.byte 0x0
+; IASM-NEXT:	.byte 0x21
+; IASM-NEXT:	.byte 0x10
+; IASM-NEXT:	.byte 0x80
+; IASM-NEXT:	.byte 0x0
+; 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 i32 @test_02(i32 %a) {
+  %cmp = icmp eq i32 %a, 9
+  %cmp.ret_ext = zext i1 %cmp to i32
+  ret i32 %cmp.ret_ext
+}
+
+; ASM-LABEL: test_02:
+; ASM-NEXT: .Ltest_02$__0:
+; ASM-NEXT:	# $zero = def.pseudo
+; ASM-NEXT:	addiu	$v0, $zero, 9
+; ASM-NEXT:	xor	$a0, $a0, $v0
+; ASM-NEXT:	sltiu	$a0, $a0, 1
+; ASM-NEXT:	andi	$a0, $a0, 1
+; ASM-NEXT:	move	$v0, $a0
+; ASM-NEXT:	jr	$ra
+
+; DIS-LABEL:00000030 <test_02>:
+; DIS-NEXT:  30:   24020009	li	v0,9
+; DIS-NEXT:  34:   00822026	xor	a0,a0,v0
+; DIS-NEXT:  38:   2c840001	sltiu	a0,a0,1
+; DIS-NEXT:  3c:   30840001	andi	a0,a0,0x1
+; DIS-NEXT:  40:   00801021	move	v0,a0
+; DIS-NEXT:  44:   03e00008	jr	ra
+; DIS-NEXT:  48:   00000000	nop
+
+; IASM-LABEL: test_02:
+; IASM-LABEL: .Ltest_02$__0:
+; IASM-NEXT:	.byte 0x9
+; IASM-NEXT:	.byte 0x0
+; IASM-NEXT:	.byte 0x2
+; IASM-NEXT:	.byte 0x24
+; IASM-NEXT:	.byte 0x26
+; IASM-NEXT:	.byte 0x20
+; IASM-NEXT:	.byte 0x82
+; IASM-NEXT:	.byte 0x0
+; IASM-NEXT:	.byte 0x1
+; IASM-NEXT:	.byte 0x0
+; IASM-NEXT:	.byte 0x84
+; IASM-NEXT:	.byte 0x2c
+; IASM-NEXT:	.byte 0x1
+; IASM-NEXT:	.byte 0x0
+; IASM-NEXT:	.byte 0x84
+; IASM-NEXT:	.byte 0x30
+; IASM-NEXT:	.byte 0x21
+; IASM-NEXT:	.byte 0x10
+; IASM-NEXT:	.byte 0x80
+; IASM-NEXT:	.byte 0x0
+; 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