1; RUN: opt %loadNPMPolly "-passes=scop(polly-opt-isl,polly-codegen,polly-codegen)" -S < %s | FileCheck %s 2; RUN: opt %loadNPMPolly "-passes=scop(polly-opt-isl,polly-codegen),scop(polly-codegen)" -S < %s | FileCheck %s 3; 4; llvm.org/PR34441 5; Properly handle multiple -polly-scops/-polly-codegen in the same 6; RegionPassManager. -polly-codegen must not reuse the -polly-ast analysis the 7; was created for the first -polly-scops pass. 8; The current solution is that only the first -polly-codegen is allowed to 9; generate code, the second detects it is reusing an IslAst that belongs to a 10; different ScopInfo. 11; 12; int a, b, c; 13; 14; int main () { 15; while (a++) 16; while (b) { 17; c = 0; 18; break; 19; } 20; return 0; 21; } 22; 23target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" 24 25@a = common global i32 0, align 4 26@b = common global i32 0, align 4 27@c = common global i32 0, align 4 28 29; Function Attrs: nounwind uwtable 30define i32 @main() { 31entry: 32 %retval = alloca i32, align 4 33 store i32 0, ptr %retval, align 4 34 %.pre = load i32, ptr @a, align 4 35 br label %while.cond 36 37while.cond: ; preds = %while.end, %entry 38 %0 = phi i32 [ %inc, %while.end ], [ %.pre, %entry ] 39 %inc = add nsw i32 %0, 1 40 store i32 %inc, ptr @a, align 4 41 %tobool = icmp ne i32 %0, 0 42 br i1 %tobool, label %while.body, label %while.end4 43 44while.body: ; preds = %while.cond 45 %1 = load i32, ptr @b, align 4 46 %tobool2 = icmp ne i32 %1, 0 47 br i1 %tobool2, label %while.body3, label %while.end 48 49while.body3: ; preds = %while.body 50 store i32 0, ptr @c, align 4 51 br label %while.end 52 53while.end: ; preds = %while.body3, %while.body 54 br label %while.cond 55 56while.end4: ; preds = %while.cond 57 ret i32 0 58} 59 60 61; CHECK: polly.start: 62; CHECK-NOT: polly.start: 63