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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
; RUN: opt -passes=loop-idiom -mtriple=riscv64 < %s -S | FileCheck %s
; RUN: opt -passes=loop-idiom -mtriple=riscv64 -loop-idiom-force-memset-pattern-intrinsic < %s -S \
; RUN: | FileCheck -check-prefix=CHECK-INTRIN %s
define dso_local void @double_memset(ptr nocapture %p) {
; CHECK-LABEL: @double_memset(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.cond.cleanup:
; CHECK-NEXT: ret void
; CHECK: for.body:
; CHECK-NEXT: [[I_07:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT: [[PTR1:%.*]] = getelementptr inbounds double, ptr [[P:%.*]], i64 [[I_07]]
; CHECK-NEXT: store double 3.141590e+00, ptr [[PTR1]], align 1
; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_07]], 1
; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], 16
; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]]
;
; CHECK-INTRIN-LABEL: @double_memset(
; CHECK-INTRIN-NEXT: entry:
; CHECK-INTRIN-NEXT: call void @llvm.experimental.memset.pattern.p0.f64.i64(ptr align 1 [[P:%.*]], double 3.141590e+00, i64 16, i1 false)
; CHECK-INTRIN-NEXT: br label [[FOR_BODY:%.*]]
; CHECK-INTRIN: for.cond.cleanup:
; CHECK-INTRIN-NEXT: ret void
; CHECK-INTRIN: for.body:
; CHECK-INTRIN-NEXT: [[I_07:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ]
; CHECK-INTRIN-NEXT: [[PTR1:%.*]] = getelementptr inbounds double, ptr [[P]], i64 [[I_07]]
; CHECK-INTRIN-NEXT: [[INC]] = add nuw nsw i64 [[I_07]], 1
; CHECK-INTRIN-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], 16
; CHECK-INTRIN-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]]
;
entry:
br label %for.body
for.cond.cleanup:
ret void
for.body:
%i.07 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
%ptr1 = getelementptr inbounds double, ptr %p, i64 %i.07
store double 3.14159e+00, ptr %ptr1, align 1
%inc = add nuw nsw i64 %i.07, 1
%exitcond.not = icmp eq i64 %inc, 16
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
;.
; CHECK-INTRIN: attributes #[[ATTR0:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: write) }
;.
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