modulo_zext_2.ll
2.11 KB
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; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
;
; CHECK: Assumed Context:
; CHECK-NEXT: [N] -> { : }
; CHECK-NEXT: Invalid Context:
; CHECK-NEXT: [N] -> { : false }
; CHECK-NEXT: p0: %N
; CHECK: Statements {
; CHECK-NEXT: Stmt_if_then
; CHECK-NEXT: Domain :=
; CHECK-NEXT: [N] -> { Stmt_if_then[i0] : (1 + i0) mod 2 = 0 and 0 < i0 < N }
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: [N] -> { Stmt_if_then[i0] -> [i0] };
; CHECK-NEXT: ReadAccess := [Reduction Type: +] [Scalar: 0]
; CHECK-NEXT: [N] -> { Stmt_if_then[i0] -> MemRef_A[i0] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: +] [Scalar: 0]
; CHECK-NEXT: [N] -> { Stmt_if_then[i0] -> MemRef_A[i0] };
; CHECK-NEXT: }
;
; void f(int *A, int N) {
; for (int i = 0; i < N; i++) {
; if (i & 1)
; A[i]++;
; }
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(i32* %A, i32 %N) {
entry:
%tmp = sext i32 %N to i64
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
%cmp = icmp slt i64 %indvars.iv, %tmp
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%tmp1 = trunc i64 %indvars.iv to i32
%and = and i32 %tmp1, 1
%tobool = icmp eq i32 %and, 0
br i1 %tobool, label %if.end, label %if.then
if.then: ; preds = %for.body
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
%tmp2 = load i32, i32* %arrayidx, align 4
%inc = add nsw i32 %tmp2, 1
store i32 %inc, i32* %arrayidx, align 4
br label %if.end
if.end: ; preds = %for.body, %if.then
br label %for.inc
for.inc: ; preds = %if.end
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}