LowerCall for MIPS32

tests_lit/llvm2ice_tests/callArgs.ll

+; RUN: %if --need=target_MIPS32 --need=allow_dump \
+; RUN:   --command %p2i --filetype=asm --assemble \
+; RUN:   --disassemble --target mips32 -i %s --args -O2 --skip-unimplemented \
+; RUN:   -allow-externally-defined-symbols \
+; RUN:   | %if --need=target_MIPS32 --need=allow_dump \
+; RUN:   --command FileCheck --check-prefix MIPS32 %s
+
+
+
+declare void @voidCall5i32(i32 %a1, i32 %a2, i32 %a3, i32 %a4, i32 %a5)
+declare void @voidCall5i64(i64 %a1, i64 %a2, i64 %a3, i64 %a4, i64 %a5)
+declare void @voidCalli32i64i32(i32 %a1, i64 %a2, i32 %a3)
+
+;TODO(mohit.bhakkad): Add tests for f32/f64 once legalize() or lowerArgument is
+;available for f32/f64
+
+define internal void @Call() {
+  call void @voidCall5i32(i32 1, i32 2, i32 3, i32 4, i32 5)
+  call void @voidCall5i64(i64 1, i64 2, i64 3, i64 4, i64 5)
+  call void @voidCalli32i64i32(i32 1, i64 2, i32 3)
+  ret void
+}
+; MIPS32: li    {{.*}},5
+; MIPS32: sw    {{.*}},16(sp)
+; MIPS32: li    a0,1
+; MIPS32: li    a1,2
+; MIPS32: li    a2,3
+; MIPS32: li    a3,4
+; MIPS32: jal
+        
+; MIPS32: li    {{.*}},0
+; MIPS32: li    {{.*}},3
+; MIPS32: sw    {{.*}},20(sp)
+; MIPS32: sw    {{.*}},16(sp)
+; MIPS32: li    {{.*}},0
+; MIPS32: li    {{.*}},4
+; MIPS32: sw    {{.*}},28(sp)
+; MIPS32: sw    {{.*}},24(sp)
+; MIPS32: li    {{.*}},0
+; MIPS32: li    {{.*}},5
+; MIPS32: sw    {{.*}},36(sp)
+; MIPS32: sw    {{.*}},32(sp)
+; MIPS32: li    a0,1
+; MIPS32: li    a1,0
+; MIPS32: li    a2,2
+; MIPS32: li    a3,0
+; MIPS32: jal
+
+; MIPS32: li    {{.*}},3
+; MIPS32: sw    {{.*}},16(sp)
+; MIPS32: li    a0,1
+; MIPS32: li    a2,2
+; MIPS32: li    a3,0
+; MIPS32: jal