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authorDimitry Andric <dim@FreeBSD.org>2021-12-02 21:02:54 +0000
committerDimitry Andric <dim@FreeBSD.org>2021-12-02 21:02:54 +0000
commitf65dcba83ce5035ab88a85fe17628b447eb56e1b (patch)
tree35f37bb72b3cfc6060193e66c76ee7c9478969b0 /llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
parent846a2208a8ab099f595fe7e8b2e6d54a7b5e67fb (diff)
Diffstat (limited to 'llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h')
-rw-r--r--llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h b/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
index b70e6883bae2..26996e42af53 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
@@ -300,6 +300,10 @@ private:
bool isInlineImmediate64(int64_t Imm) const;
bool isInlineImmediate(const APFloat &Imm) const;
+ // Returns true if TargetOpcode::G_AND MachineInstr `MI`'s masking of the
+ // shift amount operand's `ShAmtBits` bits is unneeded.
+ bool isUnneededShiftMask(const MachineInstr &MI, unsigned ShAmtBits) const;
+
const SIInstrInfo &TII;
const SIRegisterInfo &TRI;
const AMDGPURegisterBankInfo &RBI;