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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2010-06-16 19:34:01 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2010-06-16 19:34:01 +0000 |
| commit | e96af56a5baf1db88ba1ed6adf83084ea0a92ae5 (patch) | |
| tree | 8a5ccdc3d1134da629cee5497ec081b8d0cb8856 | |
| parent | 956352eb4682ba7000486d8712a4435a843a48d4 (diff) | |
Make sure that simplify libcalls does not replace a call with one calling
convention with a new call with a different calling convention.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106134 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Transforms/Scalar/SimplifyLibCalls.cpp | 5 | ||||
| -rw-r--r-- | test/Transforms/SimplifyLibCalls/PR7357.ll | 16 |
2 files changed, 21 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/lib/Transforms/Scalar/SimplifyLibCalls.cpp index 3ae79eeca4..cbb58bb033 100644 --- a/lib/Transforms/Scalar/SimplifyLibCalls.cpp +++ b/lib/Transforms/Scalar/SimplifyLibCalls.cpp @@ -66,6 +66,11 @@ public: this->TD = TD; if (CI->getCalledFunction()) Context = &CI->getCalledFunction()->getContext(); + + // We never change the calling convention. + if (CI->getCallingConv() != llvm::CallingConv::C) + return NULL; + return CallOptimizer(CI->getCalledFunction(), CI, B); } }; diff --git a/test/Transforms/SimplifyLibCalls/PR7357.ll b/test/Transforms/SimplifyLibCalls/PR7357.ll new file mode 100644 index 0000000000..6d5c1d5047 --- /dev/null +++ b/test/Transforms/SimplifyLibCalls/PR7357.ll @@ -0,0 +1,16 @@ +; RUN: opt < %s -default-data-layout="e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n32" -simplify-libcalls -S | FileCheck %s +@.str1 = private constant [11 x i8] c"(){};[]&|:\00", align 4 + +; check that simplify libcalls will not replace a call with one calling +; convention with a new call with a different calling convention. + +; CHECK: define arm_aapcscc i32 @foo(i32 %argc) +; CHECK: call arm_aapcscc i8* @strchr +define arm_aapcscc i32 @foo(i32 %argc) nounwind { +bb.nph: + call arm_aapcscc i8* @strchr(i8* getelementptr ([11 x i8]* @.str1, i32 0, +i32 0), i32 %argc) nounwind readonly + ret i32 0 +} + +declare arm_aapcscc i8* @strchr(i8*, i32) nounwind readonly |