Add pthread_self function prototype and make it speculatable.
Summary: This allows pthread_self to be pulled out of a loop by LICM.
Reviewers: hfinkel, arsenm, davide
Reviewed By: davide
Subscribers: davide, wdng, llvm-commits
Differential Revision: https://reviews.llvm.org/D32782
llvm-svn: 303495
diff --git a/llvm/unittests/Analysis/TargetLibraryInfoTest.cpp b/llvm/unittests/Analysis/TargetLibraryInfoTest.cpp
index 9d852cf..64a735d 100644
--- a/llvm/unittests/Analysis/TargetLibraryInfoTest.cpp
+++ b/llvm/unittests/Analysis/TargetLibraryInfoTest.cpp
@@ -63,12 +63,13 @@
parseAssembly("%foo = type { %foo }\n");
auto *StructTy = M->getTypeByName("foo");
- auto *InvalidFTy = FunctionType::get(StructTy, /*isVarArg=*/false);
-
for (unsigned FI = 0; FI != LibFunc::NumLibFuncs; ++FI) {
LibFunc LF = (LibFunc)FI;
+ // Using the library function name to create a function that takes
+ // 1 parameter and returns the same type. There should be no library
+ // function that matches this egregiously incorrect prototypes.
auto *F = cast<Function>(
- M->getOrInsertFunction(TLI.getName(LF), InvalidFTy));
+ M->getOrInsertFunction(TLI.getName(LF), StructTy, StructTy));
EXPECT_FALSE(isLibFunc(F, LF));
}
}
@@ -246,6 +247,7 @@
"declare float @powf(float, float)\n"
"declare x86_fp80 @powl(x86_fp80, x86_fp80)\n"
"declare i32 @printf(i8*, ...)\n"
+ "declare %struct @pthread_self()\n"
"declare i32 @putc(i32, %struct*)\n"
"declare i32 @putchar(i32)\n"
"declare i32 @puts(i8*)\n"