[SystemZ] Remember to reset the NoPHIs property on MF in createPHIsForSelects()

After creating new PHI instructions during isel pseudo expansion, the NoPHIs
property of MF should be reset in case it was previously set.

Review: Ulrich Weigand

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@352030 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/SystemZ/SystemZISelLowering.cpp b/lib/Target/SystemZ/SystemZISelLowering.cpp
index 0c41f38554ff8a1e1f3ac518be2d3c5d0fa10f8b..5a59a33d0741b3fcf0216edd3db169fbe8014454 100644 (file)
--- a/lib/Target/SystemZ/SystemZISelLowering.cpp
+++ b/lib/Target/SystemZ/SystemZISelLowering.cpp
@@ -6237,6 +6237,8 @@ static void createPHIsForSelects(MachineBasicBlock::iterator MIItBegin,
     // Add this PHI to the rewrite table.
     RegRewriteTable[DestReg] = std::make_pair(TrueReg, FalseReg);
   }
+
+  MF->getProperties().reset(MachineFunctionProperties::Property::NoPHIs);
 }
 
 // Implement EmitInstrWithCustomInserter for pseudo Select* instruction MI.

diff --git a/test/CodeGen/SystemZ/debuginstr-02.mir b/test/CodeGen/SystemZ/debuginstr-02.mir
index 6083c26eeaea2a27da5a3713fdc329cd934a3cb4..205e8b9095a0c8bd06be94c625d1bf7d7dfaa2ce 100644 (file)
--- a/test/CodeGen/SystemZ/debuginstr-02.mir
+++ b/test/CodeGen/SystemZ/debuginstr-02.mir
@@ -1,8 +1,8 @@
 # Check that the backend can handle consecutive select instructions also in
 # the presence of DEBUG_VALUE machine instructions.
 #
-# RUN: llc %s -mtriple=s390x-linux-gnu -mcpu=z13 -start-before=expand-isel-pseudos \
-# RUN:   -o - 2>&1 | FileCheck %s
+# RUN: llc %s -verify-machineinstrs -mtriple=s390x-linux-gnu -mcpu=z13 \
+# RUN:   -start-before=expand-isel-pseudos -o - 2>&1 | FileCheck %s
 #
 # CHECK-LABEL: %bb.1:
 # CHECK:       ldr