isl_trip_count_multiple_exiting_blocks.ll
1.61 KB
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; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
;
; The SCoP contains a loop with multiple exit blocks (BBs after leaving
; the loop). The current implementation of deriving their domain derives
; only a common domain for all of the exit blocks. We disabled loops with
; multiple exit blocks until this is fixed.
; XFAIL: *
;
; CHECK: Domain :=
; CHECK: { Stmt_if_end[i0] : 0 <= i0 <= 1024 };
;
; void f(int *A) {
; int i = 0;
; do {
; if (i > 1024)
; break;
; A[i] = i;
; i++;
; } while (i > 0);
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(i32* %A) {
entry:
br label %do.body
do.body: ; preds = %do.cond, %entry
%indvars.iv = phi i64 [ %indvars.iv.next, %do.cond ], [ 0, %entry ]
%cmp = icmp sgt i64 %indvars.iv, 1024
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %do.body
br label %do.end
if.end: ; preds = %do.body
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
%tmp = trunc i64 %indvars.iv to i32
store i32 %tmp, i32* %arrayidx, align 4
br label %do.cond
do.cond: ; preds = %if.end
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%cmp2 = icmp sgt i64 %indvars.iv.next, 0
br i1 %cmp2, label %do.body, label %do.end.loopexit
do.end.loopexit: ; preds = %do.cond
br label %do.end
do.end: ; preds = %do.end.loopexit, %if.then
ret void
}