llvm-project/polly/test/ScopInfo/schedule-constuction-endles...

35 lines
1.1 KiB
LLVM

; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
;
; Check that we do not build a SCoP and do not crash.
;
; CHECK-NOT: Statements
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
; Function Attrs: nounwind uwtable
define void @int_upsample(i32* %A) {
entry:
%0 = load i8, i8* undef, align 1
%conv7 = zext i8 %0 to i32
br label %while.body.preheader
while.body.preheader: ; preds = %entry
br label %while.body
while.body: ; preds = %if.end, %while.body.preheader
%outrow.036 = phi i32 [ %add23, %if.end ], [ 0, %while.body.preheader ]
br i1 true, label %if.end, label %while.body16
while.body16: ; preds = %while.body16, %while.body
br label %while.body16
if.end: ; preds = %while.body
store i32 0, i32* %A
%add23 = add nuw nsw i32 %outrow.036, 1
%cmp = icmp slt i32 %add23, 0
br i1 %cmp, label %while.body, label %while.end24
while.end24: ; preds = %if.end
ret void
}