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| author | Joerg Sonnenberger <joerg@bec.de> | 2011-12-12 20:18:31 +0000 |
|---|---|---|
| committer | Joerg Sonnenberger <joerg@bec.de> | 2011-12-12 20:18:31 +0000 |
| commit | 127a669d09e21ddcd525f493c19dc399093bef35 (patch) | |
| tree | 07a16d55d282531b1a1954a39877b486070d58d8 /test/Transforms | |
| parent | 4ab406d7fc06b1272d02cd8be46f0c5ebe51a3da (diff) | |
| download | llvm-127a669d09e21ddcd525f493c19dc399093bef35.tar.gz llvm-127a669d09e21ddcd525f493c19dc399093bef35.tar.bz2 llvm-127a669d09e21ddcd525f493c19dc399093bef35.tar.xz | |
Only replace fwrite with fputc, if the return value is unused.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146411 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/SimplifyLibCalls/fwrite.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyLibCalls/fwrite.ll b/test/Transforms/SimplifyLibCalls/fwrite.ll new file mode 100644 index 0000000000..f0f3dcaac6 --- /dev/null +++ b/test/Transforms/SimplifyLibCalls/fwrite.ll @@ -0,0 +1,13 @@ +; RUN: opt < %s -simplify-libcalls -S | FileCheck %s + +%FILE = type { i32 } + +@.str = private unnamed_addr constant [1 x i8] zeroinitializer, align 1 + +define i64 @foo(%FILE* %f) { +; CHECK: %retval = call i64 @fwrite + %retval = call i64 @fwrite(i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0), i64 1, i64 1, %FILE* %f) + ret i64 %retval +} + +declare i64 @fwrite(i8*, i64, i64, %FILE *) |