[PATCH] D53366: [mips][micromips] Add pattern for JmpLink to TargetExternalSymbol

[Aleksandar Beserminji via Phabricator via llvm-commits]

abeserminji updated this revision to Diff 171456.
abeserminji marked an inline comment as done.
abeserminji added a comment.

Resolved some comments.


https://reviews.llvm.org/D53366

Files:
  lib/Target/Mips/MicroMipsInstrInfo.td
  test/CodeGen/Mips/micromips-target-external-symbol-reloc.ll


Index: test/CodeGen/Mips/micromips-target-external-symbol-reloc.ll
===================================================================
--- /dev/null
+++ test/CodeGen/Mips/micromips-target-external-symbol-reloc.ll
@@ -0,0 +1,13 @@
+; RUN: llc -mtriple=mips-mti-linux-gnu -mcpu=mips32r2 -mattr=+micromips -stop-after=expand-isel-pseudos < %s | FileCheck %s
+
+; CHECK: JAL_MM
+; CHECK-NOT: JALR16_MM
+
+define dso_local void @foo(i32* nocapture %ar) local_unnamed_addr {
+entry:
+  %0 = bitcast i32* %ar to i8*
+  tail call void @llvm.memset.p0i8.i32(i8* align 4 %0, i8 0, i32 100, i1 false)
+  ret void
+}
+
+declare void @llvm.memset.p0i8.i32(i8* nocapture writeonly, i8, i32, i1)
Index: lib/Target/Mips/MicroMipsInstrInfo.td
===================================================================
--- lib/Target/Mips/MicroMipsInstrInfo.td
+++ lib/Target/Mips/MicroMipsInstrInfo.td
@@ -1271,6 +1271,8 @@
 def : MipsPat<(bswap GPR32:$rt), (ROTR_MM (WSBH_MM GPR32:$rt), 16)>,
       ISA_MICROMIPS;
 
+def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
+              (JAL_MM texternalsym:$dst)>, ISA_MICROMIPS32_NOT_MIPS32R6;
 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
               (TAILCALL_MM tglobaladdr:$dst)>, ISA_MICROMIPS32_NOT_MIPS32R6;
 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),


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