[XRay] ARM 32-bit no-Thumb support in LLVM
This is a port of XRay to ARM 32-bit, without Thumb support yet. The XRay instrumentation support is moving up to AsmPrinter.
This is one of 3 commits to different repositories of XRay ARM port. The other 2 are:
https://reviews.llvm.org/D23932 (Clang test)
https://reviews.llvm.org/D23933 (compiler-rt)
Differential Revision: https://reviews.llvm.org/D23931
llvm-svn: 281878
diff --git a/llvm/lib/Target/ARM/ARMAsmPrinter.cpp b/llvm/lib/Target/ARM/ARMAsmPrinter.cpp
index 0ffa5b6..80e2f0a 100644
--- a/llvm/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/llvm/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -164,6 +164,9 @@
// Emit the rest of the function body.
EmitFunctionBody();
+ // Emit the XRay table for this function.
+ EmitXRayTable();
+
// If we need V4T thumb mode Register Indirect Jump pads, emit them.
// These are created per function, rather than per TU, since it's
// relatively easy to exceed the thumb branch range within a TU.
@@ -2019,6 +2022,12 @@
.addReg(0));
return;
}
+ case ARM::PATCHABLE_FUNCTION_ENTER:
+ LowerPATCHABLE_FUNCTION_ENTER(*MI);
+ return;
+ case ARM::PATCHABLE_FUNCTION_EXIT:
+ LowerPATCHABLE_FUNCTION_EXIT(*MI);
+ return;
}
MCInst TmpInst;