implement mips16 tls global addr

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166827 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/Mips/Mips16InstrInfo.td b/lib/Target/Mips/Mips16InstrInfo.td
index feffddc02ee7904a39c1a49da161f00579c4897c..89a33382503846305960aab0e7720d6afaa37994 100644 (file)
--- a/lib/Target/Mips/Mips16InstrInfo.td
+++ b/lib/Target/Mips/Mips16InstrInfo.td
@@ -1437,5 +1437,13 @@ def: SetCC_R16<setult, SltuCCRxRy16>;
 
 def: SetCC_I16<setult, immSExt16, SltiuCCRxImmX16>;
 
+// wrapper_pic
+class Wrapper16Pat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
+  Mips16Pat<(MipsWrapper RC:$gp, node:$in),
+            (ADDiuOp RC:$gp, node:$in)>;
+
+
+def : Wrapper16Pat<tglobaltlsaddr, AddiuRxRxImmX16, CPU16Regs>;
+
 def: Mips16Pat<(add CPU16Regs:$hi, (MipsLo tglobaladdr:$lo)),
                (AddiuRxRxImmX16 CPU16Regs:$hi, tglobaladdr:$lo)>;

diff --git a/test/CodeGen/Mips/tls16.ll b/test/CodeGen/Mips/tls16.ll
new file mode 100644 (file)
index 0000000..861864b
--- /dev/null
+++ b/test/CodeGen/Mips/tls16.ll
@@ -0,0 +1,13 @@
+; RUN: llc  -march=mipsel -mcpu=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=PIC16
+
+@a = thread_local global i32 4, align 4
+
+define i32 @foo() nounwind readonly {
+entry:
+  %0 = load i32* @a, align 4
+; PIC16:       lw      ${{[0-9]+}}, %call16(__tls_get_addr)(${{[0-9]+}})
+; PIC16:       addiu   ${{[0-9]+}}, %tlsgd(a)
+  ret i32 %0
+}
+
+