62 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 52; RUN: opt -passes=loop-load-elim -S %s | FileCheck %s3 4target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"5 6define void @f(ptr %A, ptr %B, ptr %C, i64 %N) {7; CHECK-LABEL: define void @f(8; CHECK-SAME: ptr [[A:%.*]], ptr [[B:%.*]], ptr [[C:%.*]], i64 [[N:%.*]]) {9; CHECK-NEXT: [[FOR_BODY_LVER_CHECK:.*]]:10; CHECK-NEXT: br label %[[FOR_BODY:.*]]11; CHECK: [[FOR_BODY]]:12; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, %[[FOR_BODY_LVER_CHECK]] ], [ [[INDVARS_IV_NEXT:%.*]], %[[LATCH:.*]] ]13; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 114; CHECK-NEXT: [[AIDX_NEXT:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDVARS_IV_NEXT]]15; CHECK-NEXT: [[BIDX:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[INDVARS_IV]]16; CHECK-NEXT: [[CIDX:%.*]] = getelementptr inbounds i32, ptr [[C]], i64 [[INDVARS_IV]]17; CHECK-NEXT: [[AIDX:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDVARS_IV]]18; CHECK-NEXT: [[B:%.*]] = load i32, ptr [[BIDX]], align 419; CHECK-NEXT: [[UNCOUNTABLE_C:%.*]] = icmp eq i32 [[B]], 1020; CHECK-NEXT: br i1 [[UNCOUNTABLE_C]], label %[[LATCH]], label %[[FOR_END:.*]]21; CHECK: [[LATCH]]:22; CHECK-NEXT: [[A_P1:%.*]] = add i32 [[B]], 223; CHECK-NEXT: store i32 [[A_P1]], ptr [[AIDX_NEXT]], align 424; CHECK-NEXT: [[A:%.*]] = load i32, ptr [[AIDX]], align 125; CHECK-NEXT: [[C:%.*]] = mul i32 [[A]], 226; CHECK-NEXT: store i32 [[C]], ptr [[CIDX]], align 427; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]28; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_END]], label %[[FOR_BODY]]29; CHECK: [[FOR_END]]:30; CHECK-NEXT: ret void31;32entry:33 br label %for.body34 35for.body: ; preds = %for.body, %entry36 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %latch ]37 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 138 39 %Aidx_next = getelementptr inbounds i32, ptr %A, i64 %indvars.iv.next40 %Bidx = getelementptr inbounds i32, ptr %B, i64 %indvars.iv41 %Cidx = getelementptr inbounds i32, ptr %C, i64 %indvars.iv42 %Aidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv43 44 %b = load i32, ptr %Bidx, align 445 %uncountable.c = icmp eq i32 %b, 1046 br i1 %uncountable.c, label %latch, label %for.end47 48latch:49 %a_p1 = add i32 %b, 250 store i32 %a_p1, ptr %Aidx_next, align 451 52 %a = load i32, ptr %Aidx, align 153 %c = mul i32 %a, 254 store i32 %c, ptr %Cidx, align 455 56 %exitcond = icmp eq i64 %indvars.iv.next, %N57 br i1 %exitcond, label %for.end, label %for.body58 59for.end: ; preds = %for.body60 ret void61}62