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| author | Chris Lattner <sabre@nondot.org> | 2004-02-22 05:24:09 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-02-22 05:24:09 +0000 |
| commit | 0ca4418b955f4497eea7f573164aa0afff629902 (patch) | |
| tree | 3136e53a73226d875159877966689363b984c7ba | |
| parent | 6d2fdcfb8a922570d3a60540d36eb7804e7296f2 (diff) | |
| download | external_llvm-0ca4418b955f4497eea7f573164aa0afff629902.zip external_llvm-0ca4418b955f4497eea7f573164aa0afff629902.tar.gz external_llvm-0ca4418b955f4497eea7f573164aa0afff629902.tar.bz2 | |
Test that the instruction combiner can fold away a cast in a GEP instruction.
This occurs in 164.gzip, as a result of it declaring arrays extern.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11701 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | test/Transforms/InstCombine/cast.ll | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/cast.ll b/test/Transforms/InstCombine/cast.ll index 11d95ca..53e2c2e 100644 --- a/test/Transforms/InstCombine/cast.ll +++ b/test/Transforms/InstCombine/cast.ll @@ -2,6 +2,8 @@ ; RUN: llvm-as < %s | opt -instcombine -die | llvm-dis | grep '%c' | not grep cast +%inbuf = external global [32832 x ubyte] + implementation int %test1(int %A) { @@ -79,3 +81,9 @@ int* %test12() { %c = cast [4 x sbyte]* %p to int* ret int* %c } + + +ubyte *%test13(long %A) { + %c = getelementptr [0 x ubyte]* cast ([32832 x ubyte]* %inbuf to [0 x ubyte]*), long 0, long %A + ret ubyte* %c +} |