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Make RequiresFPRegKill() take a MachineBasicBlock arg.

Browse Source 
In InsertFPRegKills(), just check the MachineBasicBlock for successors
instead of its corresponding BasicBlock.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13213 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Brian Gaeke 2004-04-28 04:45:55 +00:00
parent 235aa5eba7
commit 1afe7736ff
2 changed files with 6 additions and 6 deletions
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6
lib/Target/X86/InstSelectSimple.cpp
View File

@ -684,8 +684,9 @@ void ISel::SelectPHINodes() {
/// Note that this kill instruction will eventually be eliminated when
/// restrictions in the stackifier are relaxed.
///
static bool RequiresFPRegKill(const BasicBlock *BB) {
static bool RequiresFPRegKill(const MachineBasicBlock *MBB) {
#if 0
const BasicBlock *BB = MBB->getBasicBlock ();
for (succ_const_iterator SI = succ_begin(BB), E = succ_end(BB); SI!=E; ++SI) {
const BasicBlock *Succ = *SI;
pred_const_iterator PI = pred_begin(Succ), PE = pred_end(Succ);
@ -756,8 +757,7 @@ void ISel::InsertFPRegKills() {
UsesFPReg:
// Okay, this block uses an FP register. If the block has successors (ie,
// it's not an unwind/return), insert the FP_REG_KILL instruction.
if (BB->getBasicBlock()->getTerminator()->getNumSuccessors() &&
RequiresFPRegKill(BB->getBasicBlock())) {
if (BB->succ_size () && RequiresFPRegKill(BB)) {
BuildMI(*BB, BB->getFirstTerminator(), X86::FP_REG_KILL, 0);
++NumFPKill;
}

6
lib/Target/X86/X86ISelSimple.cpp
View File

@ -684,8 +684,9 @@ void ISel::SelectPHINodes() {
/// Note that this kill instruction will eventually be eliminated when
/// restrictions in the stackifier are relaxed.
///
static bool RequiresFPRegKill(const BasicBlock *BB) {
static bool RequiresFPRegKill(const MachineBasicBlock *MBB) {
#if 0
const BasicBlock *BB = MBB->getBasicBlock ();
for (succ_const_iterator SI = succ_begin(BB), E = succ_end(BB); SI!=E; ++SI) {
const BasicBlock *Succ = *SI;
pred_const_iterator PI = pred_begin(Succ), PE = pred_end(Succ);
@ -756,8 +757,7 @@ void ISel::InsertFPRegKills() {
UsesFPReg:
// Okay, this block uses an FP register. If the block has successors (ie,
// it's not an unwind/return), insert the FP_REG_KILL instruction.
if (BB->getBasicBlock()->getTerminator()->getNumSuccessors() &&
RequiresFPRegKill(BB->getBasicBlock())) {
if (BB->succ_size () && RequiresFPRegKill(BB)) {
BuildMI(*BB, BB->getFirstTerminator(), X86::FP_REG_KILL, 0);
++NumFPKill;
}