Rebase over other changes and fixup tests.

Author: davemgreen

llvm/test/Transforms/VectorCombine/X86/pr67803.ll

@@ -5,8 +5,8 @@
 define <4 x i64> @PR67803(<8 x i32> %x, <8 x i32> %y, <8 x float> %a, <8 x float> %b) {
 ; CHECK-LABEL: @PR67803(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP0:%.*]] = icmp sgt <8 x i32> [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT:    [[TMP1:%.*]] = sext <8 x i1> [[TMP0]] to <8 x i32>
+; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt <8 x i32> [[X:%.*]], [[Y:%.*]]
+; CHECK-NEXT:    [[TMP1:%.*]] = sext <8 x i1> [[CMP]] to <8 x i32>
 ; CHECK-NEXT:    [[CONCAT:%.*]] = bitcast <8 x i32> [[TMP1]] to <4 x i64>
 ; CHECK-NEXT:    [[MASK:%.*]] = bitcast <4 x i64> [[CONCAT]] to <8 x float>
 ; CHECK-NEXT:    [[SEL:%.*]] = tail call noundef <8 x float> @llvm.x86.avx.blendv.ps.256(<8 x float> [[A:%.*]], <8 x float> [[B:%.*]], <8 x float> [[MASK]])

llvm/test/Transforms/VectorCombine/X86/select-shuffle.ll

@@ -12,11 +12,11 @@ define <4 x double> @PR60649() {
 ; CHECK:       unreachable:
 ; CHECK-NEXT:    br label [[END]]
 ; CHECK:       end:
-; CHECK-NEXT:    [[T0:%.*]] = phi <4 x double> [ zeroinitializer, [[ENTRY:%.*]] ], [ zeroinitializer, [[UNREACHABLE:%.*]] ]
+; CHECK-NEXT:    [[TMP0:%.*]] = phi <4 x double> [ zeroinitializer, [[ENTRY:%.*]] ], [ zeroinitializer, [[UNREACHABLE:%.*]] ]
 ; CHECK-NEXT:    [[T1:%.*]] = phi <4 x double> [ zeroinitializer, [[ENTRY]] ], [ zeroinitializer, [[UNREACHABLE]] ]
-; CHECK-NEXT:    [[TMP0:%.*]] = shufflevector <4 x double> [[T0]], <4 x double> [[T0]], <4 x i32> <i32 2, i32 3, i32 poison, i32 poison>
-; CHECK-NEXT:    [[TMP2:%.*]] = fdiv <4 x double> [[T0]], <double 0.000000e+00, double 0.000000e+00, double undef, double undef>
-; CHECK-NEXT:    [[TMP3:%.*]] = fmul <4 x double> [[TMP0]], <double 0.000000e+00, double 0.000000e+00, double undef, double undef>
+; CHECK-NEXT:    [[TMP1:%.*]] = shufflevector <4 x double> [[TMP0]], <4 x double> [[TMP0]], <4 x i32> <i32 2, i32 3, i32 poison, i32 poison>
+; CHECK-NEXT:    [[TMP2:%.*]] = fdiv <4 x double> [[TMP0]], <double 0.000000e+00, double 0.000000e+00, double undef, double undef>
+; CHECK-NEXT:    [[TMP3:%.*]] = fmul <4 x double> [[TMP1]], <double 0.000000e+00, double 0.000000e+00, double undef, double undef>
 ; CHECK-NEXT:    [[T5:%.*]] = shufflevector <4 x double> [[TMP2]], <4 x double> [[TMP3]], <4 x i32> <i32 0, i32 1, i32 4, i32 5>
 ; CHECK-NEXT:    ret <4 x double> [[T5]]
 ;