diff options
| author | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2017-11-30 20:32:54 +0000 |
|---|---|---|
| committer | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2017-11-30 20:32:54 +0000 |
| commit | 97c9002f951ee13f941462c54463613eeeb13c66 (patch) | |
| tree | a541e19c57a5ca6616a57f8aaed4a4d8087b6a89 | |
| parent | ff530efd955ae4dd1f3e40db1622da4394781441 (diff) | |
[Hexagon] Solo instructions cannot be used with new value jumps
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319470 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/Hexagon/HexagonNewValueJump.cpp | 3 | ||||
| -rw-r--r-- | test/CodeGen/Hexagon/newvaluejump-solo.mir | 19 |
2 files changed, 22 insertions, 0 deletions
diff --git a/lib/Target/Hexagon/HexagonNewValueJump.cpp b/lib/Target/Hexagon/HexagonNewValueJump.cpp index 51cf6bbd8a2..8f177d9a4ee 100644 --- a/lib/Target/Hexagon/HexagonNewValueJump.cpp +++ b/lib/Target/Hexagon/HexagonNewValueJump.cpp @@ -139,6 +139,9 @@ static bool canBeFeederToNewValueJump(const HexagonInstrInfo *QII, if (II->isImplicitDef()) return false; + if (QII->isSolo(*II)) + return false; + // Make sure there there is no 'def' or 'use' of any of the uses of // feeder insn between it's definition, this MI and jump, jmpInst // skipping compare, cmpInst. diff --git a/test/CodeGen/Hexagon/newvaluejump-solo.mir b/test/CodeGen/Hexagon/newvaluejump-solo.mir new file mode 100644 index 00000000000..b6bb23834c4 --- /dev/null +++ b/test/CodeGen/Hexagon/newvaluejump-solo.mir @@ -0,0 +1,19 @@ +# RUN: llc -march=hexagon -run-pass hexagon-packetizer %s -o - | FileCheck %s + +# Check that there is no new-value jump: +# CHECK-LABEL: name: fred +# CHECK-NOT: if{{.*}}cmp +--- +name: fred +tracksRegLiveness: true + +body: | + bb.0: + successors: %bb.1 + %r0 = A2_tfrsi 0 + %r0 = V6_extractw killed undef %v0, %r0 + %p0 = C2_cmpeqi killed %r0, 1 + J2_jumpf killed %p0, %bb.1, implicit-def %pc + + bb.1: +... |