[ELF][PPC] Refactor some ppc64 tests

Merge ppc64-dynamic-relocations.s into ppc64-plt-stub.s
Add ppc64-tls-ie.s: covers ppc64-initial-exec-tls.s and ppc64-tls-ie-le.s
Add ppc64-tls-gd.s: covers ppc64-general-dynamic-tls.s, ppc64-gd-to-ie.s, ppc64-tls-gd-le.s, and ppc64-tls-gd-le-small.s

llvm-svn: 366424

Author: MaskRay

lld/ELF/Arch/PPC64.cpp

@@ -946,6 +946,7 @@ void PPC64::relaxTlsGdToIe(uint8_t *loc, RelType type, uint64_t val) const {
     //                      addis rT, r2, sym@got@tprel@ha.
     relocateOne(loc, R_PPC64_GOT_TPREL16_HA, val);
     return;
+  case R_PPC64_GOT_TLSGD16:
   case R_PPC64_GOT_TLSGD16_LO: {
     // Relax from addi  r3, rA, sym@got@tlsgd@l to
     //            ld r3, sym@got@tprel@l(rA)

lld/test/ELF/ppc64-gd-to-ie.s

@@ -1,28 +1,37 @@
-// REQUIRES: ppc
-
-// RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o
-// RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %p/Inputs/shared-ppc64.s -o %t2.o
-// RUN: ld.lld -shared %t2.o -o %t2.so
-// RUN: ld.lld %t.o %t2.so -o %t
-// RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
-
-// RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o
-// RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %p/Inputs/shared-ppc64.s -o %t2.o
-// RUN: ld.lld -shared %t2.o -o %t2.so
-// RUN: ld.lld %t.o %t2.so -o %t
-// RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
-
-// CHECK:      Disassembly of section .text:
-// CHECK-EMPTY:
-// CHECK-NEXT: _start:
-// CHECK:      10010008: bl .+16
-
-// CHECK-LABEL: 0000000010010018 __plt_foo:
-// CHECK-NEXT:      std 2, 24(1)
-// CHECK-NEXT:      addis 12, 2, 0
-// CHECK-NEXT:      ld 12, 32560(12)
-// CHECK-NEXT:      mtctr 12
-// CHECK-NEXT:      bctr
+# REQUIRES: ppc
+
+# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o
+# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %p/Inputs/shared-ppc64.s -o %t2.o
+# RUN: ld.lld -shared %t2.o -soname=t2.so -o %t2.so
+# RUN: ld.lld %t.o %t2.so -o %t
+# RUN: llvm-readelf -S -d %t | FileCheck --check-prefix=SEC %s
+# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
+
+# RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o
+# RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %p/Inputs/shared-ppc64.s -o %t2.o
+# RUN: ld.lld -shared %t2.o -soname=t2.so -o %t2.so
+# RUN: ld.lld %t.o %t2.so -o %t
+# RUN: llvm-readelf -S -d %t | FileCheck --check-prefix=SEC %s
+# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
+
+## DT_PLTGOT points to .plt
+# SEC: .plt NOBITS 0000000010030000 030000 000018
+# SEC: 0x0000000000000003 (PLTGOT) 0x10030000
+
+## .plt[0] holds the address of _dl_runtime_resolve.
+## .plt[1] holds the link map.
+## The JMP_SLOT relocation is stored at .plt[2]
+# RELOC: 0x10030010 R_PPC64_JMP_SLOT foo 0x0
+
+# CHECK:      _start:
+# CHECK:      10010008: bl .+16
+
+# CHECK-LABEL: 0000000010010018 __plt_foo:
+# CHECK-NEXT:      std 2, 24(1)
+# CHECK-NEXT:      addis 12, 2, 0
+# CHECK-NEXT:      ld 12, 32560(12)
+# CHECK-NEXT:      mtctr 12
+# CHECK-NEXT:      bctr
 
 
         .text