Author: Sanjay Patel Date: 2020-12-14T14:40:06-05:00 New Revision: 9c1765acabf10b7df7cf49456a06bbba2b33b364
URL: https://github.com/llvm/llvm-project/commit/9c1765acabf10b7df7cf49456a06bbba2b33b364 DIFF: https://github.com/llvm/llvm-project/commit/9c1765acabf10b7df7cf49456a06bbba2b33b364.diff LOG: [VectorCombine] add test for load with offset; NFC Added: Modified: llvm/test/Transforms/VectorCombine/X86/load.ll Removed: ################################################################################ diff --git a/llvm/test/Transforms/VectorCombine/X86/load.ll b/llvm/test/Transforms/VectorCombine/X86/load.ll index 824a507ed103..ba2bf3f37d7b 100644 --- a/llvm/test/Transforms/VectorCombine/X86/load.ll +++ b/llvm/test/Transforms/VectorCombine/X86/load.ll @@ -535,3 +535,20 @@ define <8 x i32> @load_v1i32_extract_insert_v8i32_extra_use(<1 x i32>* align 16 %r = insertelement <8 x i32> undef, i32 %s, i32 0 ret <8 x i32> %r } + +; TODO: Can't safely load the offset vector, but can load+shuffle if it is profitable. + +define <8 x i16> @gep1_load_v2i16_extract_insert_v8i16(<2 x i16>* align 16 dereferenceable(16) %p) { +; CHECK-LABEL: @gep1_load_v2i16_extract_insert_v8i16( +; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds <2 x i16>, <2 x i16>* [[P:%.*]], i64 1 +; CHECK-NEXT: [[L:%.*]] = load <2 x i16>, <2 x i16>* [[GEP]], align 2 +; CHECK-NEXT: [[S:%.*]] = extractelement <2 x i16> [[L]], i32 0 +; CHECK-NEXT: [[R:%.*]] = insertelement <8 x i16> undef, i16 [[S]], i64 0 +; CHECK-NEXT: ret <8 x i16> [[R]] +; + %gep = getelementptr inbounds <2 x i16>, <2 x i16>* %p, i64 1 + %l = load <2 x i16>, <2 x i16>* %gep, align 2 + %s = extractelement <2 x i16> %l, i32 0 + %r = insertelement <8 x i16> undef, i16 %s, i64 0 + ret <8 x i16> %r +} _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
