fix formatting, add test

Author: RolandF77

llvm/lib/Target/PowerPC/PPCISelLowering.cpp

@@ -9673,8 +9673,8 @@ SDValue PPCTargetLowering::LowerBUILD_VECTOR(SDValue Op,
       SextVal = SignExtend32(SplatBits, SplatBitSize);
     } else if (SplatBitSize == 64) {
       int64_t Splat64Val = APSplatBits.getSExtValue();
-      SplatBits = (uint64_t) Splat64Val;
-      SextVal = (int32_t) SplatBits;
+      SplatBits = (uint64_t)Splat64Val;
+      SextVal = (int32_t)SplatBits;
       bool P9Vector = Subtarget.hasP9Vector();
       int32_t Hi = P9Vector ? 127 : 15;
       int32_t Lo = P9Vector ? -128 : -16;
@@ -9814,7 +9814,7 @@ SDValue PPCTargetLowering::LowerBUILD_VECTOR(SDValue Op,
   // Two instruction sequences.
 
   if (Subtarget.hasP9Vector() && SextVal >= -128 && SextVal <= 127) {
-    SDValue C = DAG.getConstant((unsigned char) SextVal, dl, MVT::i32);
+    SDValue C = DAG.getConstant((unsigned char)SextVal, dl, MVT::i32);
     SmallVector<SDValue, 16> Ops(16, C);
     SDValue BV = DAG.getBuildVector(MVT::v16i8, dl, Ops);
     assert((SplatSize == 2 || SplatSize == 4 || SplatSize == 8) &&

llvm/test/CodeGen/PowerPC/splat-extend.ll

@@ -0,0 +1,50 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
+; RUN:   -mcpu=pwr9 -ppc-asm-full-reg-names -ppc-vsr-nums-as-vr < %s | \
+; RUN:   FileCheck %s
+; RUN: llc -verify-machineinstrs  -mtriple=powerpc64-aix-xcoff \
+; RUN:   -mcpu=pwr9 -ppc-asm-full-reg-names -ppc-vsr-nums-as-vr < %s | \
+; RUN:   FileCheck %s
+; RUN: llc -verify-machineinstrs  -mtriple=powerpc-aix-xcoff \
+; RUN:   -mcpu=pwr9 -ppc-asm-full-reg-names -ppc-vsr-nums-as-vr < %s | \
+; RUN:   FileCheck %s
+
+define dso_local noundef <8 x i16> @v103s() local_unnamed_addr #0 {
+; CHECK-LABEL: v103s:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    xxspltib v2, 103
+; CHECK-NEXT:    vupklsb v2, v2
+; CHECK-NEXT:    blr
+entry:
+  ret <8 x i16> splat (i16 103)
+}
+
+define dso_local noundef <2 x i64> @v103l() local_unnamed_addr #0 {
+; CHECK-LABEL: v103l:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    xxspltib v2, 103
+; CHECK-NEXT:    vextsb2d v2, v2
+; CHECK-NEXT:    blr
+entry:
+  ret <2 x i64> splat (i64 103)
+}
+
+define dso_local noundef <4 x i32> @v103i() local_unnamed_addr #0 {
+; CHECK-LABEL: v103i:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    xxspltib v2, 103
+; CHECK-NEXT:    vextsb2w v2, v2
+; CHECK-NEXT:    blr
+entry:
+  ret <4 x i32> splat (i32 103)
+}
+
+define dso_local noundef <2 x i64> @v11l() local_unnamed_addr #0 {
+; CHECK-LABEL: v11l:
+; CHECK:       # %bb.0: # %entry
+; CHECK-NEXT:    vspltisw v2, -11
+; CHECK-NEXT:    vupklsw v2, v2
+; CHECK-NEXT:    blr
+entry:
+  ret <2 x i64> splat (i64 -11)
+}