[llvm-commits] [poolalloc] r119701 - /poolalloc/trunk/test/dsa/callgraph/merge.ll

[Arushi Aggarwal]

Author: aggarwa4
Date: Thu Nov 18 10:31:42 2010
New Revision: 119701

URL: http://llvm.org/viewvc/llvm-project?rev=119701&view=rev
Log:
Callgraph with SCC. Checks that EqBU does the correct
merging.

Added:
    poolalloc/trunk/test/dsa/callgraph/merge.ll

Added: poolalloc/trunk/test/dsa/callgraph/merge.ll
URL: http://llvm.org/viewvc/llvm-project/poolalloc/trunk/test/dsa/callgraph/merge.ll?rev=119701&view=auto
==============================================================================
--- poolalloc/trunk/test/dsa/callgraph/merge.ll (added)
+++ poolalloc/trunk/test/dsa/callgraph/merge.ll Thu Nov 18 10:31:42 2010
@@ -0,0 +1,56 @@
+;RUN: dsaopt %s -dsa-cbu -analyze -check-callees=E,B,D
+; ModuleID = 'merge.o'
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-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"
+
+define internal void @A() nounwind {
+entry:
+  call void @B() nounwind
+  br label %return
+
+return:                                           ; preds = %entry
+  ret void
+}
+
+define internal void @B() nounwind {
+entry:
+  call void @A() nounwind
+  br label %return
+
+return:                                           ; preds = %entry
+  ret void
+}
+
+define internal void @C() nounwind {
+entry:
+  call internal void @D() nounwind
+  br label %return
+
+return:                                           ; preds = %entry
+  ret void
+}
+
+define internal void @D() nounwind {
+entry:
+  call void @C() nounwind
+  br label %return
+
+return:                                           ; preds = %entry
+  ret void
+}
+
+define internal void @E() nounwind {
+entry:
+  %fp = alloca void ()*                           ; <void ()**> [#uses=3]
+  %fp1 = alloca void ()*                          ; <void ()**> [#uses=1]
+  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
+  store void ()* @B, void ()** %fp, align 8
+  store void ()* @A, void ()** %fp1, align 8
+  store void ()* @D, void ()** %fp, align 8
+  %0 = load void ()** %fp, align 8                ; <void ()*> [#uses=1]
+  call void %0() nounwind
+  br label %return
+
+return:                                           ; preds = %entry
+  ret void
+}