; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s ; ; Check for the correct written value of a scalar phi write whose value is ; defined within the loop, but its effective value is its last definition when ; leaving the loop (in this test it is the value 2 for %i.inc). This can be ; either computed: ; - Using SCEVExpander: ; In this case the Loop passed to the expander must NOT be the loop ; - Overwriting the same alloca in each iteration s.t. the last value will ; retain in %i.inc.s2a ; The first is currently generated by Polly and tested here. ; CHECK: polly.stmt.next: ; CHECK-NEXT: store i32 2, i32* %phi.phiops ; CHECK-NEXT: br label %polly.stmt.join define i32 @func() { entry: br label %start start: br i1 true, label %loop, label %join loop: %i = phi i32 [ 0, %start ], [ %i.inc, %loop ] %i.inc = add nsw i32 %i, 1 %cond = icmp slt i32 %i.inc, 2 br i1 %cond, label %loop, label %next next: br label %join join: %phi = phi i32 [%i.inc, %next], [0, %start] br label %return return: ret i32 %phi }