From 214956dd9d0854beb384ab3677116b94de314c9e Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Mon, 11 Oct 2004 05:00:12 +0000 Subject: [PATCH] These testcases check to see if we can promote malloc's to globals in some cases. llvm-svn: 16914 --- .../Transforms/GlobalOpt/malloc-promote-1.llx | 18 +++++++++++++++++ .../Transforms/GlobalOpt/malloc-promote-2.llx | 20 +++++++++++++++++++ 2 files changed, 38 insertions(+) create mode 100644 llvm/test/Regression/Transforms/GlobalOpt/malloc-promote-1.llx create mode 100644 llvm/test/Regression/Transforms/GlobalOpt/malloc-promote-2.llx diff --git a/llvm/test/Regression/Transforms/GlobalOpt/malloc-promote-1.llx b/llvm/test/Regression/Transforms/GlobalOpt/malloc-promote-1.llx new file mode 100644 index 000000000000..423c51e93716 --- /dev/null +++ b/llvm/test/Regression/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/llvm/test/Regression/Transforms/GlobalOpt/malloc-promote-2.llx b/llvm/test/Regression/Transforms/GlobalOpt/malloc-promote-2.llx new file mode 100644 index 000000000000..f231963f57e3 --- /dev/null +++ b/llvm/test/Regression/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 +}