unsigned NumElts = VT.getVectorNumElements();
// If there is a wider vector type with the same element type as this one,
- // we should widen to that legal vector type. This handles things like
- // <2 x float> -> <4 x float>.
- if (NumElts != 1 && getTypeAction(Context, VT) == TypeWidenVector) {
+ // or a promoted vector type that has the same number of elements which
+ // are wider, then we should convert to that legal vector type.
+ // This handles things like <2 x float> -> <4 x float> and
+ // <4 x i1> -> <4 x i32>.
+ LegalizeTypeAction TA = getTypeAction(Context, VT);
+ if (NumElts != 1 && (TA == TypeWidenVector || TA == TypePromoteInteger)) {
RegisterVT = getTypeToTransformTo(Context, VT);
if (isTypeLegal(RegisterVT)) {
IntermediateVT = RegisterVT;
--- /dev/null
+; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck %s
+
+; Make sure that values of illegal types are not scalarized between basic blocks.
+;CHECK: test
+;CHECK-NOT: pinsrw
+;CHECK-NOT: pextrb
+;CHECK: ret
+define void @test(i1 %cond) {
+ENTRY:
+ br label %LOOP
+LOOP:
+ %vec1 = phi <4 x i1> [ %vec1_or_2, %LOOP ], [ zeroinitializer, %ENTRY ]
+ %vec2 = phi <4 x i1> [ %vec2_and_1, %LOOP ], [ zeroinitializer, %ENTRY ]
+ %vec1_or_2 = or <4 x i1> %vec1, %vec2
+ %vec2_and_1 = and <4 x i1> %vec2, %vec1
+ br i1 %cond, label %LOOP, label %EXIT
+
+EXIT:
+ ret void
+}
+