[polly] r285745 - Add missing test from r284848.

[Eli Friedman via llvm-commits]

Author: efriedma
Date: Tue Nov  1 15:45:28 2016
New Revision: 285745

URL: http://llvm.org/viewvc/llvm-project?rev=285745&view=rev
Log:
Add missing test from r284848.

Original commit title: [SCEVAffinator] Make precise modular math
more correct.


Added:
    polly/trunk/test/ScopInfo/bool-addrec.ll

Added: polly/trunk/test/ScopInfo/bool-addrec.ll
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/test/ScopInfo/bool-addrec.ll?rev=285745&view=auto
==============================================================================
--- polly/trunk/test/ScopInfo/bool-addrec.ll (added)
+++ polly/trunk/test/ScopInfo/bool-addrec.ll Tue Nov  1 15:45:28 2016
@@ -0,0 +1,49 @@
+; RUN: opt -analyze -polly-ast -polly-process-unprofitable < %s | FileCheck %s
+
+; CHECK:      for (int c0 = 0; c0 <= 19999; c0 += 1) {
+; CHECK-NEXT:   if (c0 % 2 == 0)
+; CHECK-NEXT:     Stmt_if_then(c0);
+; CHECK-NEXT:   Stmt_if_end(c0);
+; CHECK-NEXT:   if (c0 % 2 == 0)
+; CHECK-NEXT:     Stmt_if_then5(c0);
+; CHECK-NEXT: }
+
+target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n8:16:32-S64"
+
+define void @f(i32* %a, i32 %x) {
+entry:
+  br label %for.body
+
+for.body:                                         ; preds = %entry, %for.inc
+  %i.03 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
+  %rem1 = and i32 %i.03, 1
+  %cmp1 = icmp eq i32 %rem1, 0
+  br i1 %cmp1, label %if.then, label %if.end
+
+if.then:                                          ; preds = %for.body
+  %arrayidx = getelementptr inbounds i32, i32* %a, i32 %i.03
+  store i32 3, i32* %arrayidx, align 4
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %for.body
+  %mul = shl nsw i32 %i.03, 1
+  %arrayidx2 = getelementptr inbounds i32, i32* %a, i32 %mul
+  store i32 3, i32* %arrayidx2, align 4
+  %rem32 = and i32 %i.03, 1
+  %cmp4 = icmp eq i32 %rem32, 0
+  br i1 %cmp4, label %if.then5, label %for.inc
+
+if.then5:                                         ; preds = %if.end
+  %mul6 = mul nsw i32 %i.03, 3
+  %arrayidx7 = getelementptr inbounds i32, i32* %a, i32 %mul6
+  store i32 3, i32* %arrayidx7, align 4
+  br label %for.inc
+
+for.inc:                                          ; preds = %if.end, %if.then5
+  %inc = add nsw i32 %i.03, 1
+  %cmp = icmp slt i32 %inc, 20000
+  br i1 %cmp, label %for.body, label %for.end
+
+for.end:                                          ; preds = %for.inc
+  ret void
+}