; RUN: opt %loadPolly -polly-invariant-load-hoisting=true -polly-optree -analyze < %s | FileCheck %s -match-full-lines ; ; Move %val to %bodyB, so %bodyA can be removed (by -polly-simplify). ; This involves making the load-hoisted %val1 to be made available in %bodyB. ; ; for (int j = 0; j < n; j += 1) { ; bodyA: ; double val = B[0] + 21.0; ; ; bodyB: ; A[0] = val; ; } ; define void @func(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: %val1 = load double, double* %B %val2 = fadd double %val1, 21.0 br label %bodyB bodyB: store double %val2, double* %A 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: Instructions copied: 1 ; CHECK: Operand trees forwarded: 1 ; CHECK: Statements with forwarded operand trees: 1 ; CHECK: } ; CHECK: After statements { ; CHECK-NEXT: Stmt_bodyA ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1] ; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_val2[] }; ; CHECK-NEXT: Instructions { ; CHECK-NEXT: %val1 = load double, double* %B, align 8 ; CHECK-NEXT: %val2 = fadd double %val1, 2.100000e+01 ; CHECK-NEXT: } ; CHECK-NEXT: Stmt_bodyB ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_A[0] }; ; CHECK-NEXT: Instructions { ; CHECK-NEXT: %val2 = fadd double %val1, 2.100000e+01 ; CHECK-NEXT: store double %val2, double* %A, align 8 ; CHECK-NEXT: } ; CHECK-NEXT: }