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Need to scan the function for branches even if there aren't any constants.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33515 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2007-01-26 01:04:44 +00:00
parent c71ca3cdd2
commit 7755facd76
1 changed files with 2 additions and 3 deletions
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5
lib/Target/ARM/ARMConstantIslandPass.cpp
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@ -122,9 +122,7 @@ FunctionPass *llvm::createARMConstantIslandPass() {
}
bool ARMConstantIslands::runOnMachineFunction(MachineFunction &Fn) {
// If there are no constants, there is nothing to do.
MachineConstantPool &MCP = *Fn.getConstantPool();
if (MCP.isEmpty()) return false;
TII = Fn.getTarget().getInstrInfo();
TAI = Fn.getTarget().getTargetAsmInfo();
@ -136,7 +134,8 @@ bool ARMConstantIslands::runOnMachineFunction(MachineFunction &Fn) {
// Perform the initial placement of the constant pool entries. To start with,
// we put them all at the end of the function.
std::vector<MachineInstr*> CPEMIs;
DoInitialPlacement(Fn, CPEMIs);
if (!MCP.isEmpty())
DoInitialPlacement(Fn, CPEMIs);
/// The next UID to take is the first unused one.
NextUID = CPEMIs.size();