[llvm] r307374 - [Hexagon] Fix -Wimplicit-fallthrough warnings. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Fri Jul  7 03:04:12 2017
New Revision: 307374

URL: http://llvm.org/viewvc/llvm-project?rev=307374&view=rev
Log:
[Hexagon] Fix -Wimplicit-fallthrough warnings. NFCI.

Modified:
    llvm/trunk/lib/Target/Hexagon/HexagonConstPropagation.cpp
    llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonAsmBackend.cpp
    llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonShuffler.cpp

Modified: llvm/trunk/lib/Target/Hexagon/HexagonConstPropagation.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/HexagonConstPropagation.cpp?rev=307374&r1=307373&r2=307374&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/HexagonConstPropagation.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/HexagonConstPropagation.cpp Fri Jul  7 03:04:12 2017
@@ -2244,6 +2244,7 @@ bool HexagonConstEvaluator::evaluate(con
     case Hexagon::J2_jumpfnew:
     case Hexagon::J2_jumpfnewpt:
       Negated = true;
+      LLVM_FALLTHROUGH;
     case Hexagon::J2_jumpt:
     case Hexagon::J2_jumptnew:
     case Hexagon::J2_jumptnewpt:

Modified: llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonAsmBackend.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonAsmBackend.cpp?rev=307374&r1=307373&r2=307374&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonAsmBackend.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonAsmBackend.cpp Fri Jul  7 03:04:12 2017
@@ -442,6 +442,7 @@ public:
       case fixup_Hexagon_B7_PCREL:
         if (!(isIntN(7, sValue)))
           HandleFixupError(7, 2, (int64_t)FixupValue, "B7_PCREL");
+        LLVM_FALLTHROUGH;
       case fixup_Hexagon_B7_PCREL_X:
         InstMask = 0x00001f18;  // Word32_B7
         Reloc = (((Value >> 2) & 0x1f) << 8) |    // Value 6-2 = Target 12-8
@@ -451,6 +452,7 @@ public:
       case fixup_Hexagon_B9_PCREL:
         if (!(isIntN(9, sValue)))
           HandleFixupError(9, 2, (int64_t)FixupValue, "B9_PCREL");
+        LLVM_FALLTHROUGH;
       case fixup_Hexagon_B9_PCREL_X:
         InstMask = 0x003000fe;  // Word32_B9
         Reloc = (((Value >> 7) & 0x3) << 20) |    // Value 8-7 = Target 21-20
@@ -462,6 +464,7 @@ public:
       case fixup_Hexagon_B13_PCREL:
         if (!(isIntN(13, sValue)))
           HandleFixupError(13, 2, (int64_t)FixupValue, "B13_PCREL");
+        LLVM_FALLTHROUGH;
       case fixup_Hexagon_B13_PCREL_X:
         InstMask = 0x00202ffe;  // Word32_B13
         Reloc = (((Value >> 12) & 0x1) << 21) |    // Value 12   = Target 21
@@ -472,6 +475,7 @@ public:
       case fixup_Hexagon_B15_PCREL:
         if (!(isIntN(15, sValue)))
           HandleFixupError(15, 2, (int64_t)FixupValue, "B15_PCREL");
+        LLVM_FALLTHROUGH;
       case fixup_Hexagon_B15_PCREL_X:
         InstMask = 0x00df20fe;  // Word32_B15
         Reloc = (((Value >> 13) & 0x3) << 22) |    // Value 14-13 = Target 23-22
@@ -483,6 +487,7 @@ public:
       case fixup_Hexagon_B22_PCREL:
         if (!(isIntN(22, sValue)))
           HandleFixupError(22, 2, (int64_t)FixupValue, "B22_PCREL");
+        LLVM_FALLTHROUGH;
       case fixup_Hexagon_B22_PCREL_X:
         InstMask = 0x01ff3ffe;  // Word32_B22
         Reloc = (((Value >> 13) & 0x1ff) << 16) |  // Value 21-13 = Target 24-16

Modified: llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonShuffler.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonShuffler.cpp?rev=307374&r1=307373&r2=307374&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonShuffler.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonShuffler.cpp Fri Jul  7 03:04:12 2017
@@ -259,6 +259,7 @@ bool HexagonShuffler::check() {
       break;
     case HexagonII::TypeCVI_VM_VP_LDU:
       ++onlyNo1;
+      LLVM_FALLTHROUGH;
     case HexagonII::TypeCVI_VM_LD:
     case HexagonII::TypeCVI_VM_TMP_LD:
     case HexagonII::TypeLD:
@@ -274,6 +275,7 @@ bool HexagonShuffler::check() {
       break;
     case HexagonII::TypeCVI_VM_STU:
       ++onlyNo1;
+      LLVM_FALLTHROUGH;
     case HexagonII::TypeCVI_VM_ST:
     case HexagonII::TypeCVI_VM_NEW_ST:
     case HexagonII::TypeST: