Subzero, MIPS32: Intrinsic call Ctlz for i32

tests_lit/assembler/mips32/encoding_intrinsics.ll

Index: tests_lit/assembler/mips32/encoding_intrinsics.ll
diff --git a/tests_lit/assembler/mips32/encoding_trap.ll b/tests_lit/assembler/mips32/encoding_intrinsics.ll
similarity index 56%
copy from tests_lit/assembler/mips32/encoding_trap.ll
copy to tests_lit/assembler/mips32/encoding_intrinsics.ll
index a6a86e9e4b60edc1bbdce71792bb358b216c8b39..8b6d3a17095c8d6ea02cbb2c2a6a3623534cc69c 100644
--- a/tests_lit/assembler/mips32/encoding_trap.ll
+++ b/tests_lit/assembler/mips32/encoding_intrinsics.ll
@@ -1,4 +1,4 @@
-; Test encoding of MIPS32 floating point arithmetic instructions
+; Test encoding of MIPS32 instructions used in intrinsic calls
 
 ; REQUIRES: allow_dump
 
@@ -22,6 +22,41 @@
 ; RUN:   --args -O2 --allow-externally-defined-symbols --skip-unimplemented \
 ; RUN:   | FileCheck %s --check-prefix=DIS
 
+declare i32 @llvm.ctlz.i32(i32, i1)
+declare void @llvm.trap()
+
+define internal i32 @encCtlz32(i32 %x) {
+entry:
+  %r = call i32 @llvm.ctlz.i32(i32 %x, i1 false)
+  ret i32 %r
+}
+
+; ASM-LABEL: encCtlz32
+; ASM-NEXT: .LencCtlz32$entry:
+; ASM-NEXT: 	clz	$a0, $a0
+; ASM-NEXT: 	move	$v0, $a0
+; ASM-NEXT: 	jr	$ra
+
+; DIS-LABEL: 00000000 <encCtlz32>:
+; DIS-NEXT:    0:	70842020 	clz	a0,a0
+; DIS-NEXT:    4:	00801021 	move	v0,a0
+; DIS-NEXT:    8:	03e00008 	jr	ra
+
+; IASM-LABEL: encCtlz32
+; IASM-NEXT: .LencCtlz32$entry:
+; IASM-NEXT: 	.byte 0x20
+; IASM-NEXT: 	.byte 0x20
+; IASM-NEXT: 	.byte 0x84
+; IASM-NEXT: 	.byte 0x70
+; 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
+
 define internal void @encTrap() {
   unreachable
 }
@@ -30,8 +65,8 @@ define internal void @encTrap() {
 ; ASM-NEXT: .LencTrap$__0:
 ; ASM-NEXT: 	teq	$zero, $zero, 0
 
-; DIS-LABEL: 00000000 <encTrap>:
-; DIS-NEXT:    0:	00000034 	teq	zero,zero
+; DIS-LABEL: 00000010 <encTrap>:
+; DIS-NEXT:    10:	00000034 	teq	zero,zero
 
 ; IASM-LABEL: encTrap:
 ; IASM-NEXT: .LencTrap$__0: