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| author | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2017-03-07 14:20:19 +0000 |
|---|---|---|
| committer | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2017-03-07 14:20:19 +0000 |
| commit | 3cceffb752c7f5eb69c41226ddd9fb664683a204 (patch) | |
| tree | 46e2393edb10bfee2da80b3c9be36bb734c8ea49 | |
| parent | eb62118e6d8fe924abceea869ae4cc43534e1fb2 (diff) | |
| download | bcm5719-llvm-3cceffb752c7f5eb69c41226ddd9fb664683a204.tar.gz bcm5719-llvm-3cceffb752c7f5eb69c41226ddd9fb664683a204.zip | |
[Hexagon] Do not insert instructions before PHI nodes
llvm-svn: 297141
| -rw-r--r-- | llvm/lib/Target/Hexagon/HexagonBitSimplify.cpp | 4 | ||||
| -rw-r--r-- | llvm/test/CodeGen/Hexagon/bit-phi.ll | 1 |
2 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonBitSimplify.cpp b/llvm/lib/Target/Hexagon/HexagonBitSimplify.cpp index 79787463684..a155762cd4a 100644 --- a/llvm/lib/Target/Hexagon/HexagonBitSimplify.cpp +++ b/llvm/lib/Target/Hexagon/HexagonBitSimplify.cpp @@ -2375,7 +2375,9 @@ bool BitSimplification::simplifyExtractLow(MachineInstr *MI, DebugLoc DL = MI->getDebugLoc(); MachineBasicBlock &B = *MI->getParent(); unsigned NewR = MRI.createVirtualRegister(FRC); - auto MIB = BuildMI(B, MI, DL, HII.get(ExtOpc), NewR) + auto At = MI->isPHI() ? B.getFirstNonPHI() + : MachineBasicBlock::iterator(MI); + auto MIB = BuildMI(B, At, DL, HII.get(ExtOpc), NewR) .addReg(R, 0, SR); switch (ExtOpc) { case Hexagon::A2_sxtb: diff --git a/llvm/test/CodeGen/Hexagon/bit-phi.ll b/llvm/test/CodeGen/Hexagon/bit-phi.ll index 86b18d8bf25..7abfba079bb 100644 --- a/llvm/test/CodeGen/Hexagon/bit-phi.ll +++ b/llvm/test/CodeGen/Hexagon/bit-phi.ll @@ -1,4 +1,5 @@ ; RUN: llc -march=hexagon < %s +; RUN: llc -march=hexagon -disable-hcp < %s ; REQUIRES: asserts target datalayout = "e-m:e-p:32:32-i1:32-i64:64-a:0-v32:32-n16:32" |
