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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
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18
test/Transforms/GlobalOpt/malloc-promote-1.llx
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18
test/Transforms/GlobalOpt/malloc-promote-1.llx
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@ -0,0 +1,18 @@
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; RUN: llvm-as < %s | opt -globalopt | llvm-dis | not grep global
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%G = internal global int* null
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void %init() {
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%P = malloc int
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store int* %P, int** %G
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%GV = load int** %G
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store int 0, int* %GV
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ret void
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}
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int %get() {
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%GV = load int** %G
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%V = load int* %GV
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ret int %V
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}
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20
test/Transforms/GlobalOpt/malloc-promote-2.llx
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20
test/Transforms/GlobalOpt/malloc-promote-2.llx
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@ -0,0 +1,20 @@
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; RUN: llvm-as < %s | opt -globalopt | llvm-dis | not grep malloc
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%G = internal global int* null
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void %init() {
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%P = malloc int, uint 100
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store int* %P, int** %G
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%GV = load int** %G
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%GVe = getelementptr int* %GV, int 40
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store int 20, int* %GVe
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ret void
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}
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int %get() {
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%GV = load int** %G
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%GVe = getelementptr int* %GV, int 40
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%V = load int* %GVe
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ret int %V
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}
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