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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals2; RUN: opt -passes=loop-idiom -mtriple=riscv64 < %s -S | FileCheck %s3; RUN: opt -passes=loop-idiom -mtriple=riscv64 -loop-idiom-force-memset-pattern-intrinsic < %s -S \4; RUN: | FileCheck -check-prefix=CHECK-INTRIN %s5 6define dso_local void @double_memset(ptr nocapture %p) {7; CHECK-LABEL: @double_memset(8; CHECK-NEXT: entry:9; CHECK-NEXT: br label [[FOR_BODY:%.*]]10; CHECK: for.cond.cleanup:11; CHECK-NEXT: ret void12; CHECK: for.body:13; CHECK-NEXT: [[I_07:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]14; CHECK-NEXT: [[PTR1:%.*]] = getelementptr inbounds double, ptr [[P:%.*]], i64 [[I_07]]15; CHECK-NEXT: store double 3.141590e+00, ptr [[PTR1]], align 116; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_07]], 117; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], 1618; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]]19;20; CHECK-INTRIN-LABEL: @double_memset(21; CHECK-INTRIN-NEXT: entry:22; CHECK-INTRIN-NEXT: call void @llvm.experimental.memset.pattern.p0.f64.i64(ptr align 1 [[P:%.*]], double 3.141590e+00, i64 16, i1 false)23; CHECK-INTRIN-NEXT: br label [[FOR_BODY:%.*]]24; CHECK-INTRIN: for.cond.cleanup:25; CHECK-INTRIN-NEXT: ret void26; CHECK-INTRIN: for.body:27; CHECK-INTRIN-NEXT: [[I_07:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]28; CHECK-INTRIN-NEXT: [[PTR1:%.*]] = getelementptr inbounds double, ptr [[P]], i64 [[I_07]]29; CHECK-INTRIN-NEXT: [[INC]] = add nuw nsw i64 [[I_07]], 130; CHECK-INTRIN-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], 1631; CHECK-INTRIN-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]]32;33entry:34 br label %for.body35 36for.cond.cleanup:37 ret void38 39for.body:40 %i.07 = phi i64 [ %inc, %for.body ], [ 0, %entry ]41 %ptr1 = getelementptr inbounds double, ptr %p, i64 %i.0742 store double 3.14159e+00, ptr %ptr1, align 143 %inc = add nuw nsw i64 %i.07, 144 %exitcond.not = icmp eq i64 %inc, 1645 br i1 %exitcond.not, label %for.cond.cleanup, label %for.body46}47;.48; CHECK-INTRIN: attributes #[[ATTR0:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: write) }49;.50