1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3 2; RUN: opt -mtriple=riscv64 -cache-line-size=64 -prefetch-distance=64 \ 3; RUN: -passes=loop-data-prefetch -S < %s | FileCheck %s 4 5define void @foo(ptr nocapture %a, ptr nocapture readonly %b) { 6; CHECK-LABEL: define void @foo( 7; CHECK-SAME: ptr captures(none) [[A:%.*]], ptr readonly captures(none) [[B:%.*]]) { 8; CHECK-NEXT: entry: 9; CHECK-NEXT: br label [[FOR_BODY:%.*]] 10; CHECK: for.body: 11; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] 12; CHECK-NEXT: [[TMP0:%.*]] = shl nuw nsw i64 [[INDVARS_IV]], 3 13; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[TMP0]], 64 14; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[TMP1]] 15; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, ptr [[B]], i64 [[INDVARS_IV]] 16; CHECK-NEXT: call void @llvm.prefetch.p0(ptr [[SCEVGEP]], i32 0, i32 3, i32 1) 17; CHECK-NEXT: [[TMP2:%.*]] = load double, ptr [[ARRAYIDX]], align 8 18; CHECK-NEXT: [[ADD:%.*]] = fadd double [[TMP2]], 1.000000e+00 19; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds double, ptr [[A]], i64 [[INDVARS_IV]] 20; CHECK-NEXT: store double [[ADD]], ptr [[ARRAYIDX2]], align 8 21; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 22; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1600 23; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]] 24; CHECK: for.end: 25; CHECK-NEXT: ret void 26; 27entry: 28 br label %for.body 29 30for.body: ; preds = %for.body, %entry 31 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 32 %arrayidx = getelementptr inbounds double, ptr %b, i64 %indvars.iv 33 %0 = load double, ptr %arrayidx, align 8 34 %add = fadd double %0, 1.000000e+00 35 %arrayidx2 = getelementptr inbounds double, ptr %a, i64 %indvars.iv 36 store double %add, ptr %arrayidx2, align 8 37 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 38 %exitcond = icmp eq i64 %indvars.iv.next, 1600 39 br i1 %exitcond, label %for.end, label %for.body 40 41for.end: ; preds = %for.body 42 ret void 43} 44