SmallSet<unsigned, 8> KilledUseSet;
SmallSet<unsigned, 8> UndefUseSet;
SmallVector<MachineOperand*, 4> Defs;
- for (; FirstMI != LastMI; ++FirstMI) {
- for (unsigned i = 0, e = FirstMI->getNumOperands(); i != e; ++i) {
- MachineOperand &MO = FirstMI->getOperand(i);
+ for (auto MII = FirstMI; MII != LastMI; ++MII) {
+ for (unsigned i = 0, e = MII->getNumOperands(); i != e; ++i) {
+ MachineOperand &MO = MII->getOperand(i);
if (!MO.isReg())
continue;
if (MO.isDef()) {
MIB.addReg(Reg, getKillRegState(isKill) | getUndefRegState(isUndef) |
getImplRegState(true));
}
+
+ // Set FrameSetup/FrameDestroy for the bundle. If any of the instructions got
+ // the property, then also set it on the bundle.
+ for (auto MII = FirstMI; MII != LastMI; ++MII) {
+ if (MII->getFlag(MachineInstr::FrameSetup))
+ MIB.setMIFlag(MachineInstr::FrameSetup);
+ if (MII->getFlag(MachineInstr::FrameDestroy))
+ MIB.setMIFlag(MachineInstr::FrameDestroy);
+ }
}
/// finalizeBundle - Same functionality as the previous finalizeBundle except
--- /dev/null
+# RUN: llc -march=hexagon -run-pass hexagon-packetizer %s -o - | FileCheck %s
+
+##############################################################################
+# This test case is not really hexagon specific, but we use hexagon to get
+# bundling.
+#
+# The goal is to verify that the BUNDLE instruction is getting the
+# frame-setup/frame-destroy attribute if any of the bundled instructions got
+# the attribute.
+##############################################################################
+
+---
+name: setup
+tracksRegLiveness: true
+body: |
+ bb.0:
+ liveins: $r1, $r2
+ successors: %bb.1
+ $r3 = frame-setup L2_loadri_io $r1, 0
+ J4_cmpgtu_f_jumpnv_t killed $r3, killed $r2, %bb.1, implicit-def $pc
+
+ bb.1:
+...
+
+# CHECK-LABEL: name: setup
+# CHECK: frame-setup BUNDLE
+
+##############################################################################
+
+---
+name: destroy
+tracksRegLiveness: true
+body: |
+ bb.0:
+ liveins: $r1, $r2
+ successors: %bb.1
+ $r3 = frame-destroy L2_loadri_io $r1, 0
+ J4_cmpgtu_f_jumpnv_t killed $r3, killed $r2, %bb.1, implicit-def $pc
+
+ bb.1:
+...
+
+# CHECK-LABEL: name: destroy
+# CHECK: frame-destroy BUNDLE
+
+##############################################################################
+
+---
+name: mixed
+tracksRegLiveness: true
+body: |
+ bb.0:
+ liveins: $r1, $r2
+ successors: %bb.1
+ $r3 = frame-setup L2_loadri_io $r1, 0
+ frame-destroy J4_cmpgtu_f_jumpnv_t killed $r3, killed $r2, %bb.1, implicit-def $pc
+
+ bb.1:
+...
+
+# CHECK-LABEL: name: mixed
+# CHECK: frame-setup frame-destroy BUNDLE