d5edbd61a1
If a loop has no exiting blocks the region covering we use during schedule genertion might not cover that loop properly. For now we bail out as we would not optimize these loops anyway. llvm-svn: 265280
38 lines
1.1 KiB
LLVM
38 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.split
|
|
|
|
while.body16.split:
|
|
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
|
|
}
|