return 0;
// If this is a zext/sext of a load, return 0 if the corresponding
- // extending load exists on target.
+ // extending load exists on target and the result type is legal.
if (CCH == TTI::CastContextHint::Normal) {
EVT ExtVT = EVT::getEVT(Dst);
EVT LoadVT = EVT::getEVT(Src);
unsigned LType =
((Opcode == Instruction::ZExt) ? ISD::ZEXTLOAD : ISD::SEXTLOAD);
- if (TLI->isLoadExtLegal(LType, ExtVT, LoadVT))
+ if (DstLT.first == SrcLT.first &&
+ TLI->isLoadExtLegal(LType, ExtVT, LoadVT))
return 0;
}
break;
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %loadv2i16 = load <2 x i16>, <2 x i16>* undef
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %loadv4i16 = load <4 x i16>, <4 x i16>* undef
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %loadv2i32 = load <2 x i32>, <2 x i32>* undef
+; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %loadv4i32 = load <4 x i32>, <4 x i32>* undef
; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %r0 = sext i8 %loadi8 to i16
; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %r1 = zext i8 %loadi8 to i16
; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %r2 = sext i8 %loadi8 to i32
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v9 = zext <2 x i16> %loadv2i16 to <2 x i64>
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v10 = sext <2 x i32> %loadv2i32 to <2 x i64>
; CHECK-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v11 = zext <2 x i32> %loadv2i32 to <2 x i64>
+; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %v12 = sext <4 x i32> %loadv4i32 to <4 x i64>
+; CHECK-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %v13 = zext <4 x i32> %loadv4i32 to <4 x i64>
; CHECK-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
;
%loadi8 = load i8, i8* undef
%loadv2i16 = load <2 x i16>, <2 x i16>* undef
%loadv4i16 = load <4 x i16>, <4 x i16>* undef
%loadv2i32 = load <2 x i32>, <2 x i32>* undef
+ %loadv4i32 = load <4 x i32>, <4 x i32>* undef
%r0 = sext i8 %loadi8 to i16
%r1 = zext i8 %loadi8 to i16
%v9 = zext <2 x i16> %loadv2i16 to <2 x i64>
%v10 = sext <2 x i32> %loadv2i32 to <2 x i64>
%v11 = zext <2 x i32> %loadv2i32 to <2 x i64>
+ %v12 = sext <4 x i32> %loadv4i32 to <4 x i64>
+ %v13 = zext <4 x i32> %loadv4i32 to <4 x i64>
ret i32 undef
}
; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %v4816u = zext <4 x i8> %loadv4i8 to <4 x i16>
; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %v4832s = sext <4 x i8> %loadv4i8 to <4 x i32>
; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %v4832u = zext <4 x i8> %loadv4i8 to <4 x i32>
-; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %v4864s = sext <4 x i8> %loadv4i8 to <4 x i64>
-; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %v4864u = zext <4 x i8> %loadv4i8 to <4 x i64>
+; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 7 for instruction: %v4864s = sext <4 x i8> %loadv4i8 to <4 x i64>
+; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 7 for instruction: %v4864u = zext <4 x i8> %loadv4i8 to <4 x i64>
; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v8816s = sext <8 x i8> %loadv8i8 to <8 x i16>
; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v8816u = zext <8 x i8> %loadv8i8 to <8 x i16>
; CHECK-NEON-RECIP-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %v8832s = sext <8 x i8> %loadv8i8 to <8 x i32>
; CHECK-V8R-RECIP-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %v4816u = zext <4 x i8> %loadv4i8 to <4 x i16>
; CHECK-V8R-RECIP-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %v4832s = sext <4 x i8> %loadv4i8 to <4 x i32>
; CHECK-V8R-RECIP-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %v4832u = zext <4 x i8> %loadv4i8 to <4 x i32>
-; CHECK-V8R-RECIP-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %v4864s = sext <4 x i8> %loadv4i8 to <4 x i64>
-; CHECK-V8R-RECIP-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %v4864u = zext <4 x i8> %loadv4i8 to <4 x i64>
+; CHECK-V8R-RECIP-NEXT: Cost Model: Found an estimated cost of 7 for instruction: %v4864s = sext <4 x i8> %loadv4i8 to <4 x i64>
+; CHECK-V8R-RECIP-NEXT: Cost Model: Found an estimated cost of 7 for instruction: %v4864u = zext <4 x i8> %loadv4i8 to <4 x i64>
; CHECK-V8R-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v8816s = sext <8 x i8> %loadv8i8 to <8 x i16>
; CHECK-V8R-RECIP-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v8816u = zext <8 x i8> %loadv8i8 to <8 x i16>
; CHECK-V8R-RECIP-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %v8832s = sext <8 x i8> %loadv8i8 to <8 x i32>
; CHECK-V8R-SIZE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %v4816u = zext <4 x i8> %loadv4i8 to <4 x i16>
; CHECK-V8R-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v4832s = sext <4 x i8> %loadv4i8 to <4 x i32>
; CHECK-V8R-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v4832u = zext <4 x i8> %loadv4i8 to <4 x i32>
-; CHECK-V8R-SIZE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %v4864s = sext <4 x i8> %loadv4i8 to <4 x i64>
-; CHECK-V8R-SIZE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %v4864u = zext <4 x i8> %loadv4i8 to <4 x i64>
+; CHECK-V8R-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v4864s = sext <4 x i8> %loadv4i8 to <4 x i64>
+; CHECK-V8R-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v4864u = zext <4 x i8> %loadv4i8 to <4 x i64>
; CHECK-V8R-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v8816s = sext <8 x i8> %loadv8i8 to <8 x i16>
; CHECK-V8R-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v8816u = zext <8 x i8> %loadv8i8 to <8 x i16>
; CHECK-V8R-SIZE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %v8832s = sext <8 x i8> %loadv8i8 to <8 x i32>