forked from OSchip/llvm-project
68 lines
2.2 KiB
LLVM
68 lines
2.2 KiB
LLVM
; RUN: opt %loadPolly -polly-print-scops -disable-output < %s | FileCheck %s -check-prefix=SCOP
|
|
|
|
; There is no FileCheck because we want to make sure that this doesn't crash.
|
|
; RUN: opt %loadPolly -polly-codegen-ppcg -polly-acc-fail-on-verify-module-failure \
|
|
; RUN: -disable-output < %s
|
|
|
|
; REQUIRES: pollyacc
|
|
|
|
; Due to the existence of the `fence` call, We can only detect the inner loop
|
|
; and not the outer loop. PPCGCodeGeneration had not implemented this case.
|
|
; The fix was to pull the implementation from `IslNodeBuilder.
|
|
|
|
; Make sure that we only capture the inner loop
|
|
; SCOP: Function: f
|
|
; SCOP-NEXT: Region: %for2.body---%for2.body.fence
|
|
; SCOP-NEXT: Max Loop Depth: 1
|
|
|
|
target datalayout = "e-p:64:64:64-S128-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f16:16:16-f32:32:32-f64:64:64-f128:128:128-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
declare void @fn_to_fence(i32 *%val)
|
|
|
|
; void f(int *arr, bool shouldcont) {
|
|
; for(int i = 0; ; i++) {
|
|
; for(int j = 0; j < 10; j++) {
|
|
; arr[j] = i;
|
|
; }
|
|
; fence(arr);
|
|
; if (!shouldcont) break;
|
|
; }
|
|
; }
|
|
|
|
|
|
; Function Attrs: nounwind uwtable
|
|
define void @f(i32 *%arr, i1 %shouldcont) #1 {
|
|
entry:
|
|
br label %for.init
|
|
|
|
for.init: ; preds = %for.end, %entry.split
|
|
%i = phi i32 [ %i.next, %for.end ], [ 0, %entry ]
|
|
br label %for2.body
|
|
|
|
for2.body: ; preds = %"65", %"64"
|
|
%j = phi i32 [ %j.next, %for2.body ], [ 0, %for.init ]
|
|
%j.sext = sext i32 %j to i64
|
|
%arr.slot = getelementptr i32, i32* %arr, i64 %j.sext
|
|
store i32 %i, i32* %arr.slot, align 4
|
|
%exitcond = icmp eq i32 %j, 10
|
|
%j.next = add i32 %j, 1
|
|
br i1 %exitcond, label %for2.body.fence, label %for2.body
|
|
|
|
for2.body.fence: ; preds = %"65"
|
|
call void @fn_to_fence(i32* %arr) #2
|
|
br i1 %shouldcont, label %for.end, label %exit
|
|
for.end: ; preds = %"69"
|
|
%i.next = add i32 %i, 1
|
|
br label %for.init
|
|
|
|
exit: ; preds = %"69"
|
|
ret void
|
|
|
|
}
|
|
|
|
|
|
attributes #0 = { argmemonly nounwind }
|
|
attributes #1 = { nounwind uwtable }
|
|
attributes #2 = { nounwind }
|