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Teach CodeGenPrepare about address spaces

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190112 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2013-09-06 00:18:43 +00:00
parent c3b5c042a4
commit ce8e4647bf
2 changed files with 32 additions and 4 deletions
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6
lib/Transforms/Scalar/CodeGenPrepare.cpp
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@ -1035,7 +1035,7 @@ bool AddressingModeMatcher::MatchOperationAddr(User *AddrInst, unsigned Opcode,
case Instruction::IntToPtr:
// This inttoptr is a no-op if the integer type is pointer sized.
if (TLI.getValueType(AddrInst->getOperand(0)->getType()) ==
TLI.getPointerTy())
TLI.getPointerTy(AddrInst->getType()->getPointerAddressSpace()))
return MatchAddr(AddrInst->getOperand(0), Depth);
return false;
case Instruction::BitCast:
@ -1573,9 +1573,7 @@ bool CodeGenPrepare::OptimizeMemoryInst(Instruction *MemoryInst, Value *Addr,
} else {
DEBUG(dbgs() << "CGP: SINKING nonlocal addrmode: " << AddrMode << " for "
<< *MemoryInst);
Type *IntPtrTy =
TLI->getDataLayout()->getIntPtrType(AccessTy->getContext());
Type *IntPtrTy = TLI->getDataLayout()->getIntPtrType(Addr->getType());
Value *Result = 0;
// Start with the base register. Do this first so that subsequent address

30
test/CodeGen/R600/address-space.ll Normal file
View File

@ -0,0 +1,30 @@
; RUN: llc -march=r600 -mcpu=SI < %s | FileCheck %s
; Test that codegenprepare understands address space sizes
%struct.foo = type { [3 x float], [3 x float] }
; CHECK-LABEL: @do_as_ptr_calcs:
; CHECK: V_ADD_I32_e64 {{VGPR[0-9]+}},
; CHECK: V_ADD_I32_e64 [[REG1:VGPR[0-9]+]],
; CHECK: DS_READ_B32 [[REG1]],
define void @do_as_ptr_calcs(%struct.foo addrspace(3)* nocapture %ptr) nounwind {
entry:
%x = getelementptr inbounds %struct.foo addrspace(3)* %ptr, i32 0, i32 1, i32 0
%y = getelementptr inbounds %struct.foo addrspace(3)* %ptr, i32 0, i32 1, i32 2
br label %bb32
bb32:
%a = load float addrspace(3)* %x, align 4
%b = load float addrspace(3)* %y, align 4
%cmp = fcmp one float %a, %b
br i1 %cmp, label %bb34, label %bb33
bb33:
unreachable
bb34:
unreachable
}