Fix error style.

Author: Sterling-Augustine

llvm/lib/MC/MCSFrame.cpp

@@ -119,16 +119,16 @@ class SFrameEmitterImpl {
       return true;
     }
     Streamer.getContext().reportWarning(
-        I.getLoc(), "Canonical Frame Address not in stack- or frame-pointer. "
-                    "Omitting SFrame unwind info for this function.");
+        I.getLoc(), "canonical Frame Address not in stack- or frame-pointer. "
+                    "Omitting SFrame unwind info for this function");
     return false;
   }
 
   bool setCFAOffset(SFrameFRE &FRE, const SMLoc &Loc, size_t Offset) {
     if (!FRE.CFARegSet) {
       Streamer.getContext().reportWarning(
-          Loc, "Adjusting CFA offset without a base register. "
-               "Omitting SFrame unwind info for this function.");
+          Loc, "adjusting CFA offset without a base register. "
+               "Omitting SFrame unwind info for this function");
       return false;
     }
     FRE.CFAOffset = Offset;
@@ -233,9 +233,9 @@ class SFrameEmitterImpl {
     // hand-written assembly.
     if (DF.RAReg != RAReg) {
       Streamer.getContext().reportWarning(
-          SMLoc(), "Non-default RA register in .cfi_return_column " +
+          SMLoc(), "non-default RA register in .cfi_return_column " +
                        Twine(DF.RAReg) +
-                       ". Omitting SFrame unwind info for this function.");
+                       ". Omitting SFrame unwind info for this function");
       Valid = false;
     }
     MCSymbol *LastLabel = DF.Begin;

llvm/test/MC/ELF/cfi-sframe-errors.s

@@ -4,27 +4,27 @@
 // RUN: llvm-readelf --sframe %t.o | FileCheck --check-prefix=CHECK-NOFDES %s
 
 
-	.cfi_sections .sframe
+        .cfi_sections .sframe
 f1:
-	.cfi_startproc simple
-// CHECK: Non-default RA register {{.*}}
+        .cfi_startproc simple
+// CHECK: non-default RA register {{.*}}
         .cfi_return_column 0
-	nop
-// CHECK: {{.*}} Adjusting CFA offset without a base register.{{.*}}
+        nop
+// CHECK: {{.*}} adjusting CFA offset without a base register.{{.*}}
         .cfi_def_cfa_offset 16 // no line number reported here.
-	nop
-// CHECK: [[@LINE+1]]:{{.*}} Adjusting CFA offset without a base register.{{.*}}
+        nop
+// CHECK: [[@LINE+1]]:{{.*}} adjusting CFA offset without a base register.{{.*}}
         .cfi_adjust_cfa_offset 16
-	nop
+        nop
         .cfi_endproc
 
-f2:	
+f2:
         .cfi_startproc
-	nop
-// CHECK: Canonical Frame Address not in stack- or frame-pointer. {{.*}}
+        nop
+// CHECK: canonical Frame Address not in stack- or frame-pointer. {{.*}}
         .cfi_def_cfa 0, 4
-	nop
-	
+        nop
+
         .cfi_endproc
 
 // CHECK-NOFDES:    Num FDEs: 0