[llvm-commits] [llvm] r122730 - /llvm/trunk/test/Transforms/EarlyCSE/basic.ll

[Chris Lattner]

Author: lattner
Date: Sun Jan  2 21:33:47 2011
New Revision: 122730

URL: http://llvm.org/viewvc/llvm-project?rev=122730&view=rev
Log:
add a testcase for readonly call CSE

Modified:
    llvm/trunk/test/Transforms/EarlyCSE/basic.ll

Modified: llvm/trunk/test/Transforms/EarlyCSE/basic.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/EarlyCSE/basic.ll?rev=122730&r1=122729&r2=122730&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/EarlyCSE/basic.ll (original)
+++ llvm/trunk/test/Transforms/EarlyCSE/basic.ll Sun Jan  2 21:33:47 2011
@@ -75,3 +75,15 @@
   ; CHECK: F:
   ; CHECK: ret i32 %Diff
 }
+
+declare i32 @func(i32 *%P) readonly
+
+;; Simple call CSE'ing.
+; CHECK: @test5
+define i32 @test5(i32 *%P) {
+  %V1 = call i32 @func(i32* %P)
+  %V2 = call i32 @func(i32* %P)
+  %Diff = sub i32 %V1, %V2
+  ret i32 %Diff
+  ; CHECK: ret i32 0
+}