fbfb1c7909
D70365 allows us to make attributes default. This is a follow up to actually make nosync, nofree and willreturn default. The approach we chose, for now, is to opt-in to default attributes to avoid introducing problems to target specific intrinsics. Intrinsics with default attributes can be created using `DefaultAttrsIntrinsic` class.
28 lines
1.6 KiB
LLVM
28 lines
1.6 KiB
LLVM
; RUN: opt -basic-aa -gvn -S < %s | FileCheck %s
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target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32"
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; BasicAA should prove that these calls don't interfere, since they are
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; IntrArgReadMem and have noalias pointers.
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; CHECK: define <8 x i16> @test0(<8 x i16>* noalias %p, <8 x i16>* noalias %q, <8 x i16> %y, <8 x i1> %m, <8 x i16> %pt) {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: %a = call <8 x i16> @llvm.masked.load.v8i16.p0v8i16(<8 x i16>* %p, i32 16, <8 x i1> %m, <8 x i16> %pt) [[ATTR:#[0-9]+]]
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; CHECK-NEXT: call void @llvm.masked.store.v8i16.p0v8i16(<8 x i16> %y, <8 x i16>* %q, i32 16, <8 x i1> %m)
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; CHECK-NEXT: %c = add <8 x i16> %a, %a
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define <8 x i16> @test0(<8 x i16>* noalias %p, <8 x i16>* noalias %q, <8 x i16> %y, <8 x i1> %m, <8 x i16> %pt) {
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entry:
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%a = call <8 x i16> @llvm.masked.load.v8i16.p0v8i16(<8 x i16>* %p, i32 16, <8 x i1> %m, <8 x i16> %pt) nounwind
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call void @llvm.masked.store.v8i16.p0v8i16(<8 x i16> %y, <8 x i16>* %q, i32 16, <8 x i1> %m)
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%b = call <8 x i16> @llvm.masked.load.v8i16.p0v8i16(<8 x i16>* %p, i32 16, <8 x i1> %m, <8 x i16> %pt) nounwind
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%c = add <8 x i16> %a, %b
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ret <8 x i16> %c
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}
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declare <8 x i16> @llvm.masked.load.v8i16.p0v8i16(<8 x i16>*, i32, <8 x i1>, <8 x i16>) nounwind readonly
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declare void @llvm.masked.store.v8i16.p0v8i16(<8 x i16>, <8 x i16>*, i32, <8 x i1>) nounwind
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; CHECK: attributes #0 = { argmemonly nofree nosync nounwind readonly willreturn }
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; CHECK: attributes #1 = { argmemonly nofree nosync nounwind willreturn writeonly }
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; CHECK: attributes [[ATTR]] = { nounwind }
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