1; RUN: opt %loadPolly -polly-scops -polly-opt-isl -polly-codegen -polly-scops -polly-codegen -S < %s | FileCheck %s 2; 3; llvm.org/PR34441 4; Properly handle multiple -polly-scops/-polly-codegen in the same 5; RegionPassManager. -polly-codegen must not reuse the -polly-ast analysis the 6; was created for the first -polly-scops pass. 7; The current solution is that only the first -polly-codegen is allowed to 8; generate code, the second detects it is re-using an IslAst that belongs to a 9; different ScopInfo. 10; 11; int a, b, c; 12; 13; int main () { 14; while (a++) 15; while (b) { 16; c = 0; 17; break; 18; } 19; return 0; 20; } 21; 22target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" 23 24@a = common global i32 0, align 4 25@b = common global i32 0, align 4 26@c = common global i32 0, align 4 27 28; Function Attrs: nounwind uwtable 29define i32 @main() { 30entry: 31 %retval = alloca i32, align 4 32 store i32 0, i32* %retval, align 4 33 %.pre = load i32, i32* @a, align 4 34 br label %while.cond 35 36while.cond: ; preds = %while.end, %entry 37 %0 = phi i32 [ %inc, %while.end ], [ %.pre, %entry ] 38 %inc = add nsw i32 %0, 1 39 store i32 %inc, i32* @a, align 4 40 %tobool = icmp ne i32 %0, 0 41 br i1 %tobool, label %while.body, label %while.end4 42 43while.body: ; preds = %while.cond 44 %1 = load i32, i32* @b, align 4 45 %tobool2 = icmp ne i32 %1, 0 46 br i1 %tobool2, label %while.body3, label %while.end 47 48while.body3: ; preds = %while.body 49 store i32 0, i32* @c, align 4 50 br label %while.end 51 52while.end: ; preds = %while.body3, %while.body 53 br label %while.cond 54 55while.end4: ; preds = %while.cond 56 ret i32 0 57} 58 59 60; CHECK: polly.start: 61; CHECK-NOT: polly.start: 62