[RISCV] Fix inline-asm.ll test by adding nounwind attribute

This test failed since CFI directive support was added in r361320.

llvm-svn: 363123
diff --git a/llvm/test/CodeGen/RISCV/inline-asm.ll b/llvm/test/CodeGen/RISCV/inline-asm.ll
index 58fabf8..31d2676 100644
--- a/llvm/test/CodeGen/RISCV/inline-asm.ll
+++ b/llvm/test/CodeGen/RISCV/inline-asm.ll
@@ -82,7 +82,7 @@
   ret i32 %1
 }
 
-define void @constraint_I() {
+define void @constraint_I() nounwind {
 ; RV32I-LABEL: constraint_I:
 ; RV32I:       # %bb.0:
 ; RV32I-NEXT:    #APP
@@ -107,7 +107,7 @@
   ret void
 }
 
-define void @constraint_J() {
+define void @constraint_J() nounwind {
 ; RV32I-LABEL: constraint_J:
 ; RV32I:       # %bb.0:
 ; RV32I-NEXT:    #APP
@@ -125,7 +125,7 @@
   ret void
 }
 
-define void @constraint_K() {
+define void @constraint_K() nounwind {
 ; RV32I-LABEL: constraint_K:
 ; RV32I:       # %bb.0:
 ; RV32I-NEXT:    #APP