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add a testcase for readonly call CSE
author
Chris Lattner
<sabre@nondot.org>
Mon, 3 Jan 2011 03:33:47 +0000
(
03:33
+0000)
committer
Chris Lattner
<sabre@nondot.org>
Mon, 3 Jan 2011 03:33:47 +0000
(
03:33
+0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122730
91177308
-0d34-0410-b5e6-
96231b3b80d8
test/Transforms/EarlyCSE/basic.ll
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diff --git
a/test/Transforms/EarlyCSE/basic.ll
b/test/Transforms/EarlyCSE/basic.ll
index a761ef764c69bb7eb44c7f95ad1c6c68dbc90c5a..6d772599b3616d4e1397648f5d91b5304e047b38 100644
(file)
--- a/
test/Transforms/EarlyCSE/basic.ll
+++ b/
test/Transforms/EarlyCSE/basic.ll
@@
-75,3
+75,15
@@
F:
; 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
+}