[RuntimeDyld][PowerPC] Add a test case for r329335.
authorLang Hames <lhames@gmail.com>
Thu, 5 Apr 2018 21:56:55 +0000 (21:56 +0000)
committerLang Hames <lhames@gmail.com>
Thu, 5 Apr 2018 21:56:55 +0000 (21:56 +0000)
Checks that calls to different sections go to the function's global entry point,
rather than the local one.

llvm-svn: 329355

llvm/test/ExecutionEngine/RuntimeDyld/PowerPC/Inputs/ppc64_elf_module_b.s [new file with mode: 0644]
llvm/test/ExecutionEngine/RuntimeDyld/PowerPC/ppc64_elf.s [new file with mode: 0644]

diff --git a/llvm/test/ExecutionEngine/RuntimeDyld/PowerPC/Inputs/ppc64_elf_module_b.s b/llvm/test/ExecutionEngine/RuntimeDyld/PowerPC/Inputs/ppc64_elf_module_b.s
new file mode 100644 (file)
index 0000000..f47ddbd
--- /dev/null
@@ -0,0 +1,42 @@
+# This module contains a function with its local and global entry points
+# exposed. It is used by the ppc64_elf test to verify that functions with
+# different TOCs are called via their global entry points.
+       .text
+       .abiversion 2
+       .file   "ppc64_elf_module_b.ll"
+       .section        .rodata.cst4,"aM",@progbits,4
+       .p2align        2               # -- Begin function foo
+.LCPI0_0:
+       .long   1093664768              # float 11
+       .text
+       .globl  foo
+       .p2align        4
+       .type   foo,@function
+.Lfunc_toc0:                            # @foo
+       .quad   .TOC.-foo_gep
+foo:
+.Lfunc_begin0:
+       .cfi_startproc
+        .globl  foo_gep
+foo_gep:
+       ld 2, .Lfunc_toc0-foo_gep(12)
+       add 2, 2, 12
+        .globl  foo_lep
+foo_lep:
+       .localentry     foo, foo_lep-foo_gep
+# %bb.0:
+       addis 3, 2, .LC0@toc@ha
+       ld 3, .LC0@toc@l(3)
+       lfsx 1, 0, 3
+       blr
+       .long   0
+       .quad   0
+.Lfunc_end0:
+       .size   foo, .Lfunc_end0-.Lfunc_begin0
+       .cfi_endproc
+                                        # -- End function
+       .section        .toc,"aw",@progbits
+.LC0:
+       .tc .LCPI0_0[TC],.LCPI0_0
+
+       .section        ".note.GNU-stack","",@progbits
diff --git a/llvm/test/ExecutionEngine/RuntimeDyld/PowerPC/ppc64_elf.s b/llvm/test/ExecutionEngine/RuntimeDyld/PowerPC/ppc64_elf.s
new file mode 100644 (file)
index 0000000..f8e9370
--- /dev/null
@@ -0,0 +1,47 @@
+# RUN: rm -rf %t && mkdir -p %t
+# RUN: llvm-mc -triple=powerpc64le-unknown-linux-gnu -filetype=obj -o %t/ppc64_elf.o %s
+# RUN: llvm-mc -triple=powerpc64le-unknown-linux-gnu -filetype=obj -o %t/ppc64_elf_module_b.o %S/Inputs/ppc64_elf_module_b.s
+# RUN: llvm-rtdyld -triple=powerpc64le-unknown-linux-gnu -verify -check=%s %t/ppc64_elf.o %t/ppc64_elf_module_b.o
+
+               .text
+       .abiversion 2
+       .file   "Module2.ll"
+       .globl  bar                     # -- Begin function bar
+       .p2align        4
+       .type   bar,@function
+.Lfunc_toc0:                            # @bar
+       .quad   .TOC.-.Lfunc_gep0
+bar:
+.Lfunc_begin0:
+       .cfi_startproc
+.Lfunc_gep0:
+       ld 2, .Lfunc_toc0-.Lfunc_gep0(12)
+       add 2, 2, 12
+.Lfunc_lep0:
+       .localentry     bar, .Lfunc_lep0-.Lfunc_gep0
+# %bb.0:
+       mflr 0
+       std 0, 16(1)
+       stdu 1, -32(1)
+       .cfi_def_cfa_offset 32
+       .cfi_offset lr, 16
+# rtdyld-check: (*{4}(stub_addr(ppc64_elf.o, .text, foo) +  0)) [15:0] = foo_gep [63:48]
+# rtdyld-check: (*{4}(stub_addr(ppc64_elf.o, .text, foo) +  4)) [15:0] = foo_gep [47:32]
+# rtdyld-check: (*{4}(stub_addr(ppc64_elf.o, .text, foo) + 12)) [15:0] = foo_gep [31:16]
+# rtdyld-check: (*{4}(stub_addr(ppc64_elf.o, .text, foo) + 16)) [15:0] = foo_gep [16:0]
+# rtdyld-check: decode_operand(foo_call, 0) = (stub_addr(ppc64_elf.o, .text, foo) - foo_call) >> 2
+foo_call:
+       bl foo
+       nop
+       addi 1, 1, 32
+       ld 0, 16(1)
+       mtlr 0
+       blr
+       .long   0
+       .quad   0
+.Lfunc_end0:
+       .size   bar, .Lfunc_end0-.Lfunc_begin0
+       .cfi_endproc
+                                        # -- End function
+
+       .section        ".note.GNU-stack","",@progbits