llvm/polly/test/ScopDetect/ignore_func_flag_regex.ll

; RUN: opt %loadNPMPolly -polly-ignore-func=f.*,g.* '-passes=print<polly-function-scops>' -disable-output < %s 2>&1 | FileCheck %s
;
; Check that the flag `-polly-ignore-func` works with regexes.
;
; CHECK:      Function: h
; CHECK-NEXT:    Region: %for.cond---%for.end
;
; CHECK-NOT:      Function:
;
; void f1(int* sum) {
;   for (int i = 0; i <= 100; i++)
;     sum += i * 3;
; }
; void f2(int* sum) {
;   for (int i = 0; i <= 100; i++)
;     sum += i * 3;
; }
; void g1(int* sum) {
;   for (int i = 0; i <= 100; i++)
;     sum += i * 3;
; }
; void h(int* sum) {
;   for (int i = 0; i <= 100; i++)
;     sum += i * 3;
; }
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"

define void @f1(ptr %sum) {
entry:
  br label %entry.split1

entry.split1:                                     ; preds = %entry
  br label %entry.split

entry.split:                                      ; preds = %entry.split1
  br label %for.cond

for.cond:                                         ; preds = %for.cond, %entry.split
  %i1.0 = phi i32 [ 0, %entry.split ], [ %inc, %for.cond ]
  %sum.reload = load i32, ptr %sum
  %mul = mul nsw i32 %i1.0, 3
  %add = add nsw i32 %sum.reload, %mul
  %inc = add nsw i32 %i1.0, 1
  store i32 %add, ptr %sum
  %cmp = icmp slt i32 %i1.0, 100
  br i1 %cmp, label %for.cond, label %for.end

for.end:                                          ; preds = %for.cond
  ret void
}


define void @f2(ptr %sum) {
entry:
  br label %entry.split1

entry.split1:                                     ; preds = %entry
  br label %entry.split

entry.split:                                      ; preds = %entry.split1
  br label %for.cond

for.cond:                                         ; preds = %for.cond, %entry.split
  %i1.0 = phi i32 [ 0, %entry.split ], [ %inc, %for.cond ]
  %sum.reload = load i32, ptr %sum
  %mul = mul nsw i32 %i1.0, 3
  %add = add nsw i32 %sum.reload, %mul
  %inc = add nsw i32 %i1.0, 1
  store i32 %add, ptr %sum
  %cmp = icmp slt i32 %i1.0, 100
  br i1 %cmp, label %for.cond, label %for.end

for.end:                                          ; preds = %for.cond
  ret void
}

define void @g1(ptr %sum) {
entry:
  br label %entry.split1

entry.split1:                                     ; preds = %entry
  br label %entry.split

entry.split:                                      ; preds = %entry.split1
  br label %for.cond

for.cond:                                         ; preds = %for.cond, %entry.split
  %i1.0 = phi i32 [ 0, %entry.split ], [ %inc, %for.cond ]
  %sum.reload = load i32, ptr %sum
  %mul = mul nsw i32 %i1.0, 3
  %add = add nsw i32 %sum.reload, %mul
  %inc = add nsw i32 %i1.0, 1
  store i32 %add, ptr %sum
  %cmp = icmp slt i32 %i1.0, 100
  br i1 %cmp, label %for.cond, label %for.end

for.end:                                          ; preds = %for.cond
  ret void
}

define void @h(ptr %sum) {
entry:
  br label %entry.split1

entry.split1:                                     ; preds = %entry
  br label %entry.split

entry.split:                                      ; preds = %entry.split1
  br label %for.cond

for.cond:                                         ; preds = %for.cond, %entry.split
  %i1.0 = phi i32 [ 0, %entry.split ], [ %inc, %for.cond ]
  %sum.reload = load i32, ptr %sum
  %mul = mul nsw i32 %i1.0, 3
  %add = add nsw i32 %sum.reload, %mul
  %inc = add nsw i32 %i1.0, 1
  store i32 %add, ptr %sum
  %cmp = icmp slt i32 %i1.0, 100
  br i1 %cmp, label %for.cond, label %for.end

for.end:                                          ; preds = %for.cond
  ret void
}