forked from OSchip/llvm-project
32 lines
827 B
LLVM
32 lines
827 B
LLVM
; RUN: opt %loadPolly -polly-detect -analyze < %s \
|
|
; RUN: -pass-remarks-missed="polly-detect" 2>&1 | FileCheck %s
|
|
|
|
; void f(long A[], long N) {
|
|
; long i;
|
|
; for (i = 0; i < N; ++i)
|
|
; A[i] = i;
|
|
; unreachable()
|
|
; }
|
|
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
|
|
|
|
define void @f(i64* %A, i64 %N) nounwind {
|
|
entry:
|
|
fence seq_cst
|
|
br label %for.i
|
|
|
|
for.i:
|
|
%indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.i ]
|
|
%scevgep = getelementptr i64, i64* %A, i64 %indvar
|
|
store i64 %indvar, i64* %scevgep
|
|
%indvar.next = add nsw i64 %indvar, 1
|
|
%exitcond = icmp eq i64 %indvar.next, %N
|
|
br i1 %exitcond, label %return, label %for.i
|
|
|
|
return:
|
|
fence seq_cst
|
|
unreachable
|
|
}
|
|
|
|
; CHECK: Unreachable in exit block
|