; RUN: opt %loadPolly -polly-import-jscop -polly-import-jscop-postfix=transformed -polly-simplify -analyze < %s | FileCheck %s -match-full-lines ; ; Map %val to A[j], so the scalar write on Stmt_for_bodyB can be removed. ; ; for (int j = 0; j < n; j += 1) { ; bodyA: ; double val = 21.0 + 21.0; ; A[j] = val; ; ; bodyB: ; B[j] = val; ; } ; define void @sweep_mapped_value(i32 %n, double* noalias nonnull %A, double* noalias nonnull %B) { entry: br label %for for: %j = phi i32 [0, %entry], [%j.inc, %inc] %j.cmp = icmp slt i32 %j, %n br i1 %j.cmp, label %bodyA, label %exit bodyA: %val = fadd double 21.0, 21.0 %A_idx = getelementptr inbounds double, double* %A, i32 %j store double %val, double* %A_idx br label %bodyB bodyB: %B_idx = getelementptr inbounds double, double* %B, i32 %j store double %val, double* %B_idx br label %inc inc: %j.inc = add nuw nsw i32 %j, 1 br label %for exit: br label %return return: ret void } ; CHECK: Statistics { ; CHECK: Dead accesses removed: 1 ; CHECK: } ; CHECK: After accesses { ; CHECK-NEXT: Stmt_bodyA ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_A[i0] }; ; CHECK-NEXT: Stmt_bodyB ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_B[i0] }; ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1] ; CHECK-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_val[] }; ; CHECK-NEXT: new: [n] -> { Stmt_bodyB[i0] -> MemRef_A[i0] }; ; CHECK-NEXT: }