GlobalISel: Add known bits to InstructionSelector

AMDGPU uses this for some addressing mode selection patterns. The
analysis run itself doesn't do anything so it seems easier to just
always require this than adding a way to opt in.

llvm-svn: 370388

1 files changed, 3 insertions, 2 deletions

diff --git a/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp b/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp
index dda8f1c0968..1865e577b21 100644
--- a/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp
+++ b/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp
@@ -54,8 +54,9 @@ public:
   bool select(MachineInstr &I) override;
   static const char *getName() { return DEBUG_TYPE; }
 
-  void setupMF(MachineFunction &MF, CodeGenCoverage &CoverageInfo) override {
-    InstructionSelector::setupMF(MF, CoverageInfo);
+  void setupMF(MachineFunction &MF, GISelKnownBits &KB,
+               CodeGenCoverage &CoverageInfo) override {
+    InstructionSelector::setupMF(MF, KB, CoverageInfo);
 
     // hasFnAttribute() is expensive to call on every BRCOND selection, so
     // cache it here for each run of the selector.