diff --git a/llvm/lib/Target/Hexagon/HexagonPatterns.td b/llvm/lib/Target/Hexagon/HexagonPatterns.td index 2224fd220340..3e028722426e 100644 --- a/llvm/lib/Target/Hexagon/HexagonPatterns.td +++ b/llvm/lib/Target/Hexagon/HexagonPatterns.td @@ -932,6 +932,11 @@ def: Pat<(v2i32 (HexagonVSPLAT s8_0ImmPred:$s8)), (A2_combineii imm:$s8, imm:$s8)>; def: Pat<(v2i32 (HexagonVSPLAT I32:$Rs)), (Combinew I32:$Rs, I32:$Rs)>; +let AddedComplexity = 10 in +def: Pat<(v8i8 (HexagonVSPLAT I32:$Rs)), (S6_vsplatrbp I32:$Rs)>, + Requires<[HasV62T]>; +def: Pat<(v8i8 (HexagonVSPLAT I32:$Rs)), + (Combinew (S2_vsplatrb I32:$Rs), (S2_vsplatrb I32:$Rs))>; // --(8) Shift/permute --------------------------------------------------- // diff --git a/llvm/test/CodeGen/Hexagon/vect/vsplat-v8i8.ll b/llvm/test/CodeGen/Hexagon/vect/vsplat-v8i8.ll new file mode 100644 index 000000000000..c5b93f49c2ee --- /dev/null +++ b/llvm/test/CodeGen/Hexagon/vect/vsplat-v8i8.ll @@ -0,0 +1,40 @@ +; RUN: llc -march=hexagon < %s | FileCheck %s + +; Check that this compiles successfully. Used to crash with "cannot select +; v8i8 = vsplat ..." +; CHECK: jumpr r31 + +target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048" +target triple = "hexagon" + +; Function Attrs: nounwind +define i32 @fred() #0 { +b0: + br label %b1 + +b1: ; preds = %b1, %b0 + %v2 = xor <16 x i8> undef, undef + %v3 = icmp eq i32 undef, undef + br i1 %v3, label %b4, label %b1 + +b4: ; preds = %b1 + %v5 = xor <16 x i8> %v2, zeroinitializer + %v6 = xor <16 x i8> %v5, zeroinitializer + %v7 = xor <16 x i8> %v6, zeroinitializer + %v8 = xor <16 x i8> %v7, zeroinitializer + %v9 = shufflevector <16 x i8> %v8, <16 x i8> undef, <16 x i32> + %v10 = xor <16 x i8> %v8, %v9 + %v11 = extractelement <16 x i8> %v10, i32 0 + br i1 undef, label %b14, label %b12 + +b12: ; preds = %b4 + %v13 = xor i8 undef, %v11 + br label %b14 + +b14: ; preds = %b12, %b4 + %v15 = phi i8 [ %v11, %b4 ], [ %v13, %b12 ] + %v16 = zext i8 %v15 to i32 + ret i32 %v16 +} + +attributes #0 = { nounwind "target-cpu"="hexagonv60" "target-features"="+hvx-length64b,+hvxv60" }