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authorRichard Smith <richard-llvm@metafoo.co.uk>2013-05-16 04:12:04 +0000
committerRichard Smith <richard-llvm@metafoo.co.uk>2013-05-16 04:12:04 +0000
commiteb351eb84945c64212b5e8582c09394542a7cc69 (patch)
tree32d7a03e84bc7169ebdb69635efe75c300a006b1 /test/Transforms
parent0225d5a3aff17fe6e747821973aa4dc0b8f6d6a9 (diff)
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Respect the 'nobuiltin' attribute when determining if a call is to a memory builtin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181978 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
-rw-r--r--test/Transforms/GlobalOpt/malloc-promote-3.ll18
1 files changed, 18 insertions, 0 deletions
diff --git a/test/Transforms/GlobalOpt/malloc-promote-3.ll b/test/Transforms/GlobalOpt/malloc-promote-3.ll
new file mode 100644
index 0000000000..d44ee64609
--- /dev/null
+++ b/test/Transforms/GlobalOpt/malloc-promote-3.ll
@@ -0,0 +1,18 @@
+; RUN: opt < %s -globalopt -S | FileCheck %s
+target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
+
+@G = internal global i32* null
+
+define void @t() {
+; CHECK: @t()
+; CHECK: call i8* @malloc
+ %malloccall = tail call i8* @malloc(i64 mul (i64 100, i64 4)) nobuiltin
+ %P = bitcast i8* %malloccall to i32*
+ store i32* %P, i32** @G
+ %GV = load i32** @G
+ %GVe = getelementptr i32* %GV, i32 40
+ store i32 20, i32* %GVe
+ ret void
+}
+
+declare noalias i8* @malloc(i64)