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authorDan Gohman <dan433584@gmail.com>2017-02-27 22:38:58 +0000
committerDan Gohman <dan433584@gmail.com>2017-02-27 22:38:58 +0000
commitf52ee17a09eabe216562ef57115d8976b9d7f70e (patch)
tree46b42ff063a865164f78674660bf3b253d66f065 /llvm/lib/Target/WebAssembly/WebAssemblyUtilities.h
parent2d5841fa7334ac972fc89c12e60e17edf0612b1a (diff)
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[WebAssembly] Split CFG-sorting into its own pass. NFC.
CFG sorting was already an independent algorithm from block/loop insertion; this change makes it more convenient to debug. llvm-svn: 296399
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyUtilities.h')
-rw-r--r--llvm/lib/Target/WebAssembly/WebAssemblyUtilities.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyUtilities.h b/llvm/lib/Target/WebAssembly/WebAssemblyUtilities.h
index cccc961..595491f 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyUtilities.h
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyUtilities.h
@@ -18,7 +18,9 @@
namespace llvm {
+class MachineBasicBlock;
class MachineInstr;
+class MachineLoop;
class WebAssemblyFunctionInfo;
namespace WebAssembly {
@@ -30,6 +32,12 @@ bool isChild(const MachineInstr &MI, const WebAssemblyFunctionInfo &MFI);
bool isCallIndirect(const MachineInstr &MI);
} // end namespace WebAssembly
+
+/// Return the "bottom" block of a loop. This differs from
+/// MachineLoop::getBottomBlock in that it works even if the loop is
+/// discontiguous.
+MachineBasicBlock *LoopBottom(const MachineLoop *Loop);
+
} // end namespace llvm
#endif