From d0ccfcb040c684e91d8b5fe5111ba7f4ec7e019a Mon Sep 17 00:00:00 2001 From: Krzysztof Parzyszek Date: Tue, 8 Sep 2020 11:26:10 -0500 Subject: [PATCH] [GVN] Add testcase that uses masked loads and stores, NFC --- llvm/test/Transforms/GVN/masked-load-store.ll | 39 +++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 llvm/test/Transforms/GVN/masked-load-store.ll diff --git a/llvm/test/Transforms/GVN/masked-load-store.ll b/llvm/test/Transforms/GVN/masked-load-store.ll new file mode 100644 index 0000000..8119d77 --- /dev/null +++ b/llvm/test/Transforms/GVN/masked-load-store.ll @@ -0,0 +1,39 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt -gvn -S < %s | FileCheck %s + +define <128 x i8> @f0(<128 x i8>* %a0, <128 x i8> %a1, <128 x i8> %a2) { +; CHECK-LABEL: @f0( +; CHECK-NEXT: [[V0:%.*]] = icmp eq <128 x i8> [[A1:%.*]], [[A2:%.*]] +; CHECK-NEXT: [[V1:%.*]] = call <128 x i8> @llvm.masked.load.v128i8.p0v128i8(<128 x i8>* [[A0:%.*]], i32 4, <128 x i1> [[V0]], <128 x i8> undef) +; CHECK-NEXT: [[V3:%.*]] = add <128 x i8> [[V1]], [[V1]] +; CHECK-NEXT: ret <128 x i8> [[V3]] +; + %v0 = icmp eq <128 x i8> %a1, %a2 + %v1 = call <128 x i8> @llvm.masked.load.v128i8.p0v128i8(<128 x i8>* %a0, i32 4, <128 x i1> %v0, <128 x i8> undef) + %v2 = call <128 x i8> @llvm.masked.load.v128i8.p0v128i8(<128 x i8>* %a0, i32 4, <128 x i1> %v0, <128 x i8> undef) + %v3 = add <128 x i8> %v1, %v2 + ret <128 x i8> %v3 +} + +define <128 x i8> @f1(<128 x i8>* %a0, <128 x i8> %a1, <128 x i8> %a2) { +; CHECK-LABEL: @f1( +; CHECK-NEXT: [[V0:%.*]] = icmp eq <128 x i8> [[A1:%.*]], [[A2:%.*]] +; CHECK-NEXT: [[V1:%.*]] = getelementptr <128 x i8>, <128 x i8>* [[A0:%.*]], i32 1 +; CHECK-NEXT: [[V2:%.*]] = call <128 x i8> @llvm.masked.load.v128i8.p0v128i8(<128 x i8>* [[A0]], i32 4, <128 x i1> [[V0]], <128 x i8> undef) +; CHECK-NEXT: call void @llvm.masked.store.v128i8.p0v128i8(<128 x i8> [[A2]], <128 x i8>* [[V1]], i32 4, <128 x i1> [[V0]]) +; CHECK-NEXT: [[V3:%.*]] = call <128 x i8> @llvm.masked.load.v128i8.p0v128i8(<128 x i8>* [[A0]], i32 4, <128 x i1> [[V0]], <128 x i8> undef) +; CHECK-NEXT: [[V4:%.*]] = add <128 x i8> [[V2]], [[V3]] +; CHECK-NEXT: ret <128 x i8> [[V4]] +; + %v0 = icmp eq <128 x i8> %a1, %a2 + %v1 = getelementptr <128 x i8>, <128 x i8>* %a0, i32 1 + %v2 = call <128 x i8> @llvm.masked.load.v128i8.p0v128i8(<128 x i8>* %a0, i32 4, <128 x i1> %v0, <128 x i8> undef) + call void @llvm.masked.store.v128i8.p0v128i8(<128 x i8> %a2, <128 x i8>* %v1, i32 4, <128 x i1> %v0) + %v3 = call <128 x i8> @llvm.masked.load.v128i8.p0v128i8(<128 x i8>* %a0, i32 4, <128 x i1> %v0, <128 x i8> undef) + %v4 = add <128 x i8> %v2, %v3 + ret <128 x i8> %v4 +} + +declare <128 x i8> @llvm.masked.load.v128i8.p0v128i8(<128 x i8>*, i32, <128 x i1>, <128 x i8>) +declare void @llvm.masked.store.v128i8.p0v128i8(<128 x i8>, <128 x i8>*, i32, <128 x i1>) + -- 2.7.4