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| author | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2018-01-05 20:43:56 +0000 |
|---|---|---|
| committer | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2018-01-05 20:43:56 +0000 |
| commit | 66ee123d610cd34d08ba1cfb4551a216fabd11b8 (patch) | |
| tree | 60ade28ceb213d5cc9b554868e421a1c8f3a6a69 | |
| parent | b3e50ac1c4e517d394b8958fc6219a6231471c61 (diff) | |
| download | bcm5719-llvm-66ee123d610cd34d08ba1cfb4551a216fabd11b8.tar.gz bcm5719-llvm-66ee123d610cd34d08ba1cfb4551a216fabd11b8.zip | |
[Hexagon] Add pattern for vsplat to v8i8
llvm-svn: 321892
| -rw-r--r-- | llvm/lib/Target/Hexagon/HexagonPatterns.td | 5 | ||||
| -rw-r--r-- | llvm/test/CodeGen/Hexagon/vect/vsplat-v8i8.ll | 40 |
2 files changed, 45 insertions, 0 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonPatterns.td b/llvm/lib/Target/Hexagon/HexagonPatterns.td index 2224fd22034..3e028722426 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 00000000000..c5b93f49c2e --- /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> <i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef> + %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" } |
