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authorChris Lattner <sabre@nondot.org>2004-10-11 05:00:12 +0000
committerChris Lattner <sabre@nondot.org>2004-10-11 05:00:12 +0000
commit95d0bbfda63c9f1a477ea206d8b75855557a8248 (patch)
treee8131900f9accbe9d14386b6d5ba101996fefc05
parente3ef9b5fe241df8eb835f1923b17314ef5e7c61f (diff)
These testcases check to see if we can promote malloc's to globals in some
cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16914 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--test/Transforms/GlobalOpt/malloc-promote-1.llx18
-rw-r--r--test/Transforms/GlobalOpt/malloc-promote-2.llx20
2 files changed, 38 insertions, 0 deletions
diff --git a/test/Transforms/GlobalOpt/malloc-promote-1.llx b/test/Transforms/GlobalOpt/malloc-promote-1.llx
new file mode 100644
index 0000000000..423c51e937
--- /dev/null
+++ b/test/Transforms/GlobalOpt/malloc-promote-1.llx
@@ -0,0 +1,18 @@
+; RUN: llvm-as < %s | opt -globalopt | llvm-dis | not grep global
+
+%G = internal global int* null
+
+void %init() {
+ %P = malloc int
+ store int* %P, int** %G
+
+ %GV = load int** %G
+ store int 0, int* %GV
+ ret void
+}
+
+int %get() {
+ %GV = load int** %G
+ %V = load int* %GV
+ ret int %V
+}
diff --git a/test/Transforms/GlobalOpt/malloc-promote-2.llx b/test/Transforms/GlobalOpt/malloc-promote-2.llx
new file mode 100644
index 0000000000..f231963f57
--- /dev/null
+++ b/test/Transforms/GlobalOpt/malloc-promote-2.llx
@@ -0,0 +1,20 @@
+; RUN: llvm-as < %s | opt -globalopt | llvm-dis | not grep malloc
+
+%G = internal global int* null
+
+void %init() {
+ %P = malloc int, uint 100
+ store int* %P, int** %G
+
+ %GV = load int** %G
+ %GVe = getelementptr int* %GV, int 40
+ store int 20, int* %GVe
+ ret void
+}
+
+int %get() {
+ %GV = load int** %G
+ %GVe = getelementptr int* %GV, int 40
+ %V = load int* %GVe
+ ret int %V
+}