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authorRoman Divacky <rdivacky@FreeBSD.org>2010-01-01 10:31:22 +0000
committerRoman Divacky <rdivacky@FreeBSD.org>2010-01-01 10:31:22 +0000
commit1e7804dbd25b8dbf534c850355d70ad215206f4b (patch)
treedba00119388b84f9f44e6ec5e9129f807fd79ca3 /lib/Target/PowerPC/PPCISelLowering.h
parent571945e6affd20b19264ec22495da418d0fbdbb4 (diff)
Notes
Diffstat (limited to 'lib/Target/PowerPC/PPCISelLowering.h')
-rw-r--r--lib/Target/PowerPC/PPCISelLowering.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.h b/lib/Target/PowerPC/PPCISelLowering.h
index e45b261f156b..cf8139557d63 100644
--- a/lib/Target/PowerPC/PPCISelLowering.h
+++ b/lib/Target/PowerPC/PPCISelLowering.h
@@ -61,6 +61,21 @@ namespace llvm {
TOC_ENTRY,
+ /// The following three target-specific nodes are used for calls through
+ /// function pointers in the 64-bit SVR4 ABI.
+
+ /// Restore the TOC from the TOC save area of the current stack frame.
+ /// This is basically a hard coded load instruction which additionally
+ /// takes/produces a flag.
+ TOC_RESTORE,
+
+ /// Like a regular LOAD but additionally taking/producing a flag.
+ LOAD,
+
+ /// LOAD into r2 (also taking/producing a flag). Like TOC_RESTORE, this is
+ /// a hard coded load instruction.
+ LOAD_TOC,
+
/// OPRC, CHAIN = DYNALLOC(CHAIN, NEGSIZE, FRAME_INDEX)
/// This instruction is lowered in PPCRegisterInfo::eliminateFrameIndex to
/// compute an allocation on the stack.