[lld] r263763 - [LTO] Test lto passes are actually working.

Davide Italiano via llvm-commits llvm-commits at lists.llvm.org
Thu Mar 17 16:36:31 PDT 2016


Author: davide
Date: Thu Mar 17 18:36:31 2016
New Revision: 263763

URL: http://llvm.org/viewvc/llvm-project?rev=263763&view=rev
Log:
[LTO] Test lto passes are actually working.

This should have been part of r263761.

Added:
    lld/trunk/test/ELF/lto/ltopasses-basic.ll
Modified:
    lld/trunk/test/ELF/lto/ctors.ll

Modified: lld/trunk/test/ELF/lto/ctors.ll
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/lto/ctors.ll?rev=263763&r1=263762&r2=263763&view=diff
==============================================================================
--- lld/trunk/test/ELF/lto/ctors.ll (original)
+++ lld/trunk/test/ELF/lto/ctors.ll Thu Mar 17 18:36:31 2016
@@ -8,6 +8,7 @@ target triple = "x86_64-unknown-linux-gn
 
 @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @ctor, i8* null }]
 define void @ctor() {
+  call void asm "nop", ""()
   ret void
 }
 

Added: lld/trunk/test/ELF/lto/ltopasses-basic.ll
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/lto/ltopasses-basic.ll?rev=263763&view=auto
==============================================================================
--- lld/trunk/test/ELF/lto/ltopasses-basic.ll (added)
+++ lld/trunk/test/ELF/lto/ltopasses-basic.ll Thu Mar 17 18:36:31 2016
@@ -0,0 +1,16 @@
+; REQUIRES: x86
+; RUN: rm -f %t %t.lto.bc %t.lto.opt.bc %t.lto.o
+; RUN: llvm-as %s -o %t.o
+; RUN: ld.lld -m elf_x86_64 %t.o -o %t.so -save-temps -shared
+; RUN: llvm-dis %t.so.lto.opt.bc -o - | FileCheck %s
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+ at llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @ctor, i8* null }]
+define void @ctor() {
+  ret void
+}
+
+; `@ctor` doesn't do anything and so the optimizer should kill it, leaving no ctors
+; CHECK: @llvm.global_ctors = appending global [0 x { i32, void ()*, i8* }] zeroinitializer




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