Files
clang-p2996/polly/test/ScopDetect/simple_loop_two_phi_nodes.ll
Tobias Grosser f4ee371e60 tests: Drop -polly-detect-unprofitable and -polly-no-early-exit
These flags are now always passed to all tests and need to be disabled if
not needed. Disabling these flags, rather than passing them to almost all
tests, significantly simplfies our RUN: lines.

llvm-svn: 249422
2015-10-06 15:36:44 +00:00

34 lines
1.0 KiB
LLVM

; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s
; void f(long A[], long N) {
; long i;
; long i_non_canonical = 1;
; for (i = 0; i < N; ++i) {
; A[i] = i_non_canonical;
; i_non_canonical += 1;
; }
; }
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:
%cmp = icmp sgt i64 %N, 0
br i1 %cmp, label %for.i, label %return
for.i:
%indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.i ]
%indvar_non_canonical = phi i64 [ 1, %entry ], [ %indvar_non_canonical.next, %for.i ]
%scevgep = getelementptr i64, i64* %A, i64 %indvar
store i64 %indvar_non_canonical, i64* %scevgep
%indvar.next = add nsw i64 %indvar, 1
%indvar_non_canonical.next = add nsw i64 %indvar_non_canonical, 1
%exitcond = icmp eq i64 %indvar.next, %N
br i1 %exitcond, label %return, label %for.i
return:
ret void
}
; CHECK: Valid Region for Scop: for.i => return