llvm-capstone/polly/test/ScopInfo/reduction_alternating_base.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

40 lines
1.1 KiB
LLVM

; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
;
;
; void f(int *A) {
; for (int i = 0; i < 1024; i++)
; A[i % 2] += i;
; }
;
; Verify that we detect the reduction on A
;
; CHECK: ReadAccess := [Reduction Type: +] [Scalar: 0]
; CHECK: MustWriteAccess := [Reduction Type: +] [Scalar: 0]
;
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
define void @f(i32* %A) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
%exitcond = icmp ne i32 %i.0, 1024
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%rem = srem i32 %i.0, 2
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %rem
%tmp = load i32, i32* %arrayidx, align 4
%add = add nsw i32 %tmp, %i.0
store i32 %add, i32* %arrayidx, align 4
br label %for.inc
for.inc: ; preds = %for.body
%inc = add nsw i32 %i.0, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}