From daeec8fad3a3038247df1e5081b74454e7ee9315 Mon Sep 17 00:00:00 2001 From: Chad Rosier Date: Tue, 30 Oct 2012 20:39:19 +0000 Subject: [inline asm] Get the mayLoad/mayStore directly from the MIOp_ExtraInfo operand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167050 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/CodeGen/MachineInstr.h | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) (limited to 'include/llvm/CodeGen/MachineInstr.h') diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h index 42709012d2..7eb03a9301 100644 --- a/include/llvm/CodeGen/MachineInstr.h +++ b/include/llvm/CodeGen/MachineInstr.h @@ -58,10 +58,8 @@ public: NoFlags = 0, FrameSetup = 1 << 0, // Instruction is used as a part of // function frame setup code. - InsideBundle = 1 << 1, // Instruction is inside a bundle (not + InsideBundle = 1 << 1 // Instruction is inside a bundle (not // the first MI in a bundle) - MayLoad = 1 << 2, // Instruction could possibly read memory. - MayStore = 1 << 3 // Instruction could possibly modify memory. }; private: const MCInstrDesc *MCID; // Instruction descriptor. @@ -447,7 +445,12 @@ public: /// Instructions with this flag set are not necessarily simple load /// instructions, they may load a value and modify it, for example. bool mayLoad(QueryType Type = AnyInBundle) const { - return hasProperty(MCID::MayLoad, Type) || (Flags & MayLoad); + if (isInlineAsm()) { + unsigned ExtraInfo = getOperand(InlineAsm::MIOp_ExtraInfo).getImm(); + if (ExtraInfo & InlineAsm::Extra_MayLoad) + return true; + } + return hasProperty(MCID::MayLoad, Type); } @@ -456,7 +459,12 @@ public: /// instructions, they may store a modified value based on their operands, or /// may not actually modify anything, for example. bool mayStore(QueryType Type = AnyInBundle) const { - return hasProperty(MCID::MayStore, Type) || (Flags & MayStore); + if (isInlineAsm()) { + unsigned ExtraInfo = getOperand(InlineAsm::MIOp_ExtraInfo).getImm(); + if (ExtraInfo & InlineAsm::Extra_MayStore) + return true; + } + return hasProperty(MCID::MayStore, Type); } //===--------------------------------------------------------------------===// -- cgit v1.2.3-18-g5258