blob: 1e941cdb3a04cc666089f4787a7e0a7e7d967ab6 [file] [log] [blame]
; RUN: opt %loadPolly -polly-ast -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -polly-codegen-isl -S < %s | FileCheck %s -check-prefix=CODEGEN
; void f(int a[], int N, float *P) {
; int i;
; for (i = 0; i < N; ++i)
; if (*P != 0)
; a[i] = i;
; }
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, float * %P) nounwind {
entry:
br label %bb
bb:
%i = phi i64 [ 0, %entry ], [ %i.inc, %bb.backedge ]
%brcond = icmp ne float* %P, null
br i1 %brcond, label %store, label %bb.backedge
store:
%scevgep = getelementptr i64* %a, i64 %i
store i64 %i, i64* %scevgep
br label %bb.backedge
bb.backedge:
%i.inc = add nsw i64 %i, 1
%exitcond = icmp eq i64 %i.inc, %N
br i1 %exitcond, label %return, label %bb
return:
ret void
}
; CHECK: if (P <= -1) {
; CHECK: for (int c0 = 0; c0 < N; c0 += 1)
; CHECK: Stmt_store(c0);
; CHECK: } else if (P >= 1)
; CHECK: for (int c0 = 0; c0 < N; c0 += 1)
; CHECK: Stmt_store(c0);
; CHECK: }
; CODEGEN: %0 = bitcast float* %P to i8*
; CODEGEN: %1 = icmp ule i8* %0, inttoptr (i64 -1 to i8*)