llvm-project/polly/test/ScopInfo/out_of_loop_0.ll

36 lines
1.3 KiB
LLVM

; RUN: opt %loadPolly %defaultOpts -polly-analyze-ir -analyze < %s | FileCheck %s
; RUN: opt %loadPolly %defaultOpts -polly-analyze-ir -analyze < %s | FileCheck %s
; XFAIL: *
;void f(long a[], long N, long M) {
; long i;
; for (i = 0; i < N; ++i)
; a[i] = i;
; a[M] = 0;
;}
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"
target triple = "x86_64-unknown-linux-gnu"
define void @f(i64* nocapture %a, i64 %N, i64 %M) nounwind {
entry:
%0 = icmp sgt i64 %N, 0 ; <i1> [#uses=1]
br i1 %0, label %bb, label %bb2
bb: ; preds = %bb, %entry
%1 = phi i64 [ 0, %entry ], [ %2, %bb ] ; <i64> [#uses=3]
%scevgep = getelementptr i64* %a, i64 %1 ; <i64*> [#uses=1]
store i64 %1, i64* %scevgep, align 8
%2 = add nsw i64 %1, 1 ; <i64> [#uses=2]
%exitcond = icmp eq i64 %2, %N ; <i1> [#uses=1]
br i1 %exitcond, label %bb2, label %bb
bb2: ; preds = %bb, %entry
%3 = getelementptr inbounds i64* %a, i64 %M ; <i64*> [#uses=1]
store i64 0, i64* %3, align 8
ret void
}
; CHECK: Scop: entry => <Function Return> Parameters: (%N, %M, )