llvm-project/polly/test/ScopInfo/schedule-const-post-dominat...

49 lines
1.2 KiB
LLVM

; RUN: opt %loadPolly -analyze -polly-scops < %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: Stmt_loopA[i0] -> [0, 0, 0]
; CHECK-DAG: Stmt_loopB[i0] -> [0, 0, 1]
; CHECK-DAG: Stmt_bbB[] -> [1, 0, 0]
; CHECK-DAG: Stmt_bbA[] -> [2, 0, 0]
; CHECK-DAG: Stmt_bbMerge[] -> [3, 0, 0]
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @hoge(i64 %p0, i64 %p1, i64 %p2, i64 %p3, float* %A) {
entry:
br label %loopA
loopA:
%tmp4 = phi i64 [ 0, %entry ], [ 0, %loopB]
store float 42.0, float* %A
%cmp0 = icmp sle i64 %p0, 100
br i1 %cmp0, label %loopB, label %bbB
loopB:
store float 42.0, float* %A
%cmp1 = icmp sle i64 %p1, 100
br i1 %cmp1, label %loopA, label %bbA
bbA:
store float 42.0, float* %A
%cmpbbA = icmp sle i64 %p2, 50
br i1 %cmpbbA, label %bbMerge, label %exit
bbB:
store float 42.0, float* %A
%cmpbbB= icmp sle i64 %p3, 200
br i1 %cmpbbB, label %exit, label %bbMerge
bbMerge:
store float 42.0, float* %A
br label %exit
exit:
ret void
}