summaryrefslogtreecommitdiff
path: root/release_23/test/Transforms/LICM/2003-05-02-LoadHoist.ll
diff options
context:
space:
mode:
Diffstat (limited to 'release_23/test/Transforms/LICM/2003-05-02-LoadHoist.ll')
-rw-r--r--release_23/test/Transforms/LICM/2003-05-02-LoadHoist.ll23
1 files changed, 0 insertions, 23 deletions
diff --git a/release_23/test/Transforms/LICM/2003-05-02-LoadHoist.ll b/release_23/test/Transforms/LICM/2003-05-02-LoadHoist.ll
deleted file mode 100644
index 35fb420408a0..000000000000
--- a/release_23/test/Transforms/LICM/2003-05-02-LoadHoist.ll
+++ /dev/null
@@ -1,23 +0,0 @@
-; This testcase tests for a problem where LICM hoists loads out of a loop
-; despite the fact that calls to unknown functions may modify what is being
-; loaded from. Basically if the load gets hoisted, the subtract gets turned
-; into a constant zero.
-;
-; RUN: llvm-as < %s | opt -licm -load-vn -gcse -instcombine | llvm-dis | grep load
-
-@X = global i32 7 ; <i32*> [#uses=2]
-
-declare void @foo()
-
-define i32 @test(i1 %c) {
- %A = load i32* @X ; <i32> [#uses=1]
- br label %Loop
-Loop: ; preds = %Loop, %0
- call void @foo( )
- ;; Should not hoist this load!
- %B = load i32* @X ; <i32> [#uses=1]
- br i1 %c, label %Loop, label %Out
-Out: ; preds = %Loop
- %C = sub i32 %A, %B ; <i32> [#uses=1]
- ret i32 %C
-}