42 lines
2.2 KiB
LLVM
42 lines
2.2 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -gvn -S < %s | FileCheck %s
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; Check that in both cases the second load is recognized as redundant
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; and is removed.
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define <128 x i8> @f0(<128 x i8>* %a0, <128 x i8> %a1, <128 x i8> %a2) {
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; CHECK-LABEL: @f0(
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; CHECK-NEXT: [[V0:%.*]] = icmp eq <128 x i8> [[A1:%.*]], [[A2:%.*]]
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; 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)
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; CHECK-NEXT: [[V3:%.*]] = add <128 x i8> [[V1]], [[V1]]
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; CHECK-NEXT: ret <128 x i8> [[V3]]
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;
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%v0 = icmp eq <128 x i8> %a1, %a2
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%v1 = call <128 x i8> @llvm.masked.load.v128i8.p0v128i8(<128 x i8>* %a0, i32 4, <128 x i1> %v0, <128 x i8> undef)
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%v2 = call <128 x i8> @llvm.masked.load.v128i8.p0v128i8(<128 x i8>* %a0, i32 4, <128 x i1> %v0, <128 x i8> undef)
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%v3 = add <128 x i8> %v1, %v2
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ret <128 x i8> %v3
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}
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define <128 x i8> @f1(<128 x i8>* %a0, <128 x i8> %a1, <128 x i8> %a2) {
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; CHECK-LABEL: @f1(
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; CHECK-NEXT: [[V0:%.*]] = icmp eq <128 x i8> [[A1:%.*]], [[A2:%.*]]
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; CHECK-NEXT: [[V1:%.*]] = getelementptr <128 x i8>, <128 x i8>* [[A0:%.*]], i32 1
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; 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)
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; CHECK-NEXT: call void @llvm.masked.store.v128i8.p0v128i8(<128 x i8> [[A2]], <128 x i8>* [[V1]], i32 4, <128 x i1> [[V0]])
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; CHECK-NEXT: [[V4:%.*]] = add <128 x i8> [[V2]], [[V2]]
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; CHECK-NEXT: ret <128 x i8> [[V4]]
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;
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%v0 = icmp eq <128 x i8> %a1, %a2
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%v1 = getelementptr <128 x i8>, <128 x i8>* %a0, i32 1
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%v2 = call <128 x i8> @llvm.masked.load.v128i8.p0v128i8(<128 x i8>* %a0, i32 4, <128 x i1> %v0, <128 x i8> undef)
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call void @llvm.masked.store.v128i8.p0v128i8(<128 x i8> %a2, <128 x i8>* %v1, i32 4, <128 x i1> %v0)
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%v3 = call <128 x i8> @llvm.masked.load.v128i8.p0v128i8(<128 x i8>* %a0, i32 4, <128 x i1> %v0, <128 x i8> undef)
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%v4 = add <128 x i8> %v2, %v3
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ret <128 x i8> %v4
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}
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declare <128 x i8> @llvm.masked.load.v128i8.p0v128i8(<128 x i8>*, i32, <128 x i1>, <128 x i8>)
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declare void @llvm.masked.store.v128i8.p0v128i8(<128 x i8>, <128 x i8>*, i32, <128 x i1>)
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