#include "llvm/Intrinsics.h"
#include "llvm/Support/CFG.h"
#include "llvm/Type.h"
+#include "llvm/CodeGen/FunctionLoweringInfo.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
bool isInc = false, isDec = false, isSub = false, isCN = false;
ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Val);
- if (CN) {
+ if (CN && CN->getSExtValue() == (int32_t)CN->getSExtValue()) {
isCN = true;
int64_t CNVal = CN->getSExtValue();
if (CNVal == 1)
Val = Val.getOperand(1);
}
+ DebugLoc dl = Node->getDebugLoc();
unsigned Opc = 0;
switch (NVT.getSimpleVT().SimpleTy) {
default: return 0;
break;
}
- DebugLoc dl = Node->getDebugLoc();
SDValue Undef = SDValue(CurDAG->getMachineNode(TargetOpcode::IMPLICIT_DEF,
dl, NVT), 0);
MachineSDNode::mmo_iterator MemOp = MF->allocateMemRefsArray(1);
bool isCN = false;
ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Val);
- if (CN) {
+ if (CN && (int32_t)CN->getSExtValue() == CN->getSExtValue()) {
isCN = true;
Val = CurDAG->getTargetConstant(CN->getSExtValue(), NVT);
}
; rdar://9692967
-define void @do_the_sync(i64* %p, i32 %b) nounwind {
+define void @t1(i64* %p, i32 %b) nounwind {
entry:
%p.addr = alloca i64*, align 8
store i64* %p, i64** %p.addr, align 8
%tmp = load i64** %p.addr, align 8
call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 true)
+; CHECK: t1:
+; CHECK: movl $2147483648, %eax
; CHECK: lock
-; CHECK-NEXT: orq $2147483648
+; CHECK-NEXT: orq %rax, (%rdi)
%0 = call i64 @llvm.atomic.load.or.i64.p0i64(i64* %tmp, i64 2147483648)
call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 true)
ret void
}
+
+define void @t2(i64* %p, i32 %b) nounwind {
+entry:
+ %p.addr = alloca i64*, align 8
+ store i64* %p, i64** %p.addr, align 8
+ %tmp = load i64** %p.addr, align 8
+ call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 true)
+; CHECK: t2:
+; CHECK-NOT: movl
+; CHECK: lock
+; CHECK-NEXT: orq $2147483644, (%rdi)
+ %0 = call i64 @llvm.atomic.load.or.i64.p0i64(i64* %tmp, i64 2147483644)
+ call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 true)
+ ret void
+}
+
declare i64 @llvm.atomic.load.or.i64.p0i64(i64* nocapture, i64) nounwind
declare void @llvm.memory.barrier(i1, i1, i1, i1, i1) nounwind