; RUN: opt %loadPolly -S -polly-codegen < %s | FileCheck %s ; ; int jd(int *restrict A, int x, int N) { ; for (int i = 1; i < N; i++) ; for (int j = 3; j < N; j++) ; x += A[i]; ; return x; ; } ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define i32 @jd(ptr noalias %A, i32 %x, i32 %N) { entry: ; CHECK-LABEL: entry: ; CHECK-DAG: %x.addr.1.lcssa.s2a = alloca i32 ; CHECK-DAG: %x.addr.1.lcssa.phiops = alloca i32 ; CHECK-DAG: %x.addr.1.s2a = alloca i32 ; CHECK-DAG: %x.addr.1.phiops = alloca i32 ; CHECK-DAG: %x.addr.0.s2a = alloca i32 ; CHECK-DAG: %x.addr.0.phiops = alloca i32 %tmp = sext i32 %N to i64 br label %for.cond ; CHECK-LABEL: polly.merge_new_and_old: ; CHECK: %x.addr.0.merge = phi i32 [ %x.addr.0.final_reload, %polly.exiting ], [ %x.addr.0, %for.cond ] ; CHECK: ret i32 %x.addr.0.merge ; CHECK-LABEL: polly.start: ; CHECK: store i32 %x, ptr %x.addr.0.phiops ; CHECK-LABEL: polly.exiting: ; CHECK: %x.addr.0.final_reload = load i32, ptr %x.addr.0.s2a for.cond: ; preds = %for.inc4, %entry ; CHECK-LABEL: polly.stmt.for.cond{{[0-9]*}}: ; CHECK: %x.addr.0.phiops.reload[[R1:[0-9]*]] = load i32, ptr %x.addr.0.phiops ; CHECK: store i32 %x.addr.0.phiops.reload[[R1]], ptr %x.addr.0.s2a %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc4 ], [ 1, %entry ] %x.addr.0 = phi i32 [ %x, %entry ], [ %x.addr.1.lcssa, %for.inc4 ] %cmp = icmp slt i64 %indvars.iv, %tmp br i1 %cmp, label %for.body, label %for.end6 for.body: ; preds = %for.cond ; CHECK-LABEL: polly.stmt.for.body: ; CHECK: %x.addr.0.s2a.reload[[R2:[0-9]*]] = load i32, ptr %x.addr.0.s2a ; CHECK: store i32 %x.addr.0.s2a.reload[[R2]], ptr %x.addr.1.phiops br label %for.cond1 for.cond1: ; preds = %for.inc, %for.body ; CHECK-LABEL: polly.stmt.for.cond1: ; CHECK: %x.addr.1.phiops.reload = load i32, ptr %x.addr.1.phiops ; CHECK: store i32 %x.addr.1.phiops.reload, ptr %x.addr.1.s2a[[R6:[0-9]*]] ; CHECK: store i32 %x.addr.1.phiops.reload, ptr %x.addr.1.lcssa.phiops %x.addr.1 = phi i32 [ %x.addr.0, %for.body ], [ %add, %for.inc ] %j.0 = phi i32 [ 3, %for.body ], [ %inc, %for.inc ] %exitcond = icmp ne i32 %j.0, %N br i1 %exitcond, label %for.body3, label %for.end for.inc: ; preds = %for.body3 ; CHECK-LABEL: polly.stmt.for.inc: ; CHECK: %x.addr.1.s2a.reload[[R3:[0-9]*]] = load i32, ptr %x.addr.1.s2a ; CHECK: %p_add = add nsw i32 %x.addr.1.s2a.reload[[R3]], %tmp1_p_scalar_ ; CHECK: store i32 %p_add, ptr %x.addr.1.phiops %arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv %tmp1 = load i32, ptr %arrayidx, align 4 %add = add nsw i32 %x.addr.1, %tmp1 %inc = add nsw i32 %j.0, 1 br label %for.cond1 for.end: ; preds = %for.cond1 ; CHECK-LABEL: polly.stmt.for.end: ; CHECK-NEXT: %x.addr.1.lcssa.phiops.reload = load i32, ptr %x.addr.1.lcssa.phiops ; CHECK-NEXT: store i32 %x.addr.1.lcssa.phiops.reload, ptr %x.addr.1.lcssa.s2a[[R4:[0-9]*]] %x.addr.1.lcssa = phi i32 [ %x.addr.1, %for.cond1 ] br label %for.inc4 for.inc4: ; preds = %for.end ; CHECK-LABEL: polly.stmt.for.inc4: ; CHECK: %x.addr.1.lcssa.s2a.reload[[R5:[0-9]*]] = load i32, ptr %x.addr.1.lcssa.s2a[[R4]] ; CHECK: store i32 %x.addr.1.lcssa.s2a.reload[[R5]], ptr %x.addr.0.phiops %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 br label %for.cond for.body3: ; preds = %for.cond1 br label %for.inc for.end6: ; preds = %for.cond ret i32 %x.addr.0 }