[LTO] Add a test for ThinLTO + --wrap.

We should get this right after r307303.

Differential Revision:  https://reviews.llvm.org/D35126

llvm-svn: 307410
This commit is contained in:
Davide Italiano 2017-07-07 16:33:01 +00:00
parent 12eaef75ce
commit 406d8707f0
2 changed files with 21 additions and 0 deletions

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@ -1,9 +1,16 @@
; REQUIRES: x86
; LTO
; RUN: llvm-as %s -o %t.o
; RUN: ld.lld %t.o -o %t.out -wrap=bar -save-temps
; RUN: llvm-readobj -t %t.out | FileCheck %s
; RUN: cat %t.out.resolution.txt | FileCheck -check-prefix=RESOLS %s
; ThinLTO
; RUN: opt -module-summary %s -o %t.o
; RUN: ld.lld %t.o -o %t.out -wrap=bar -save-temps
; RUN: llvm-readobj -t %t.out | FileCheck %s
; RUN: cat %t.out.resolution.txt | FileCheck -check-prefix=RESOLS %s
; CHECK: Name: __wrap_bar
; CHECK-NEXT: Value:
; CHECK-NEXT: Size:

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@ -1,10 +1,18 @@
; REQUIRES: x86
; LTO
; RUN: llvm-as %s -o %t.o
; RUN: llvm-as %S/Inputs/wrap-bar.ll -o %t1.o
; RUN: ld.lld %t.o %t1.o -shared -o %t.so -wrap=bar
; RUN: llvm-objdump -d %t.so | FileCheck %s
; RUN: llvm-readobj -t %t.so | FileCheck -check-prefix=BIND %s
; ThinLTO
; RUN: opt -module-summary %s -o %t.o
; RUN: opt -module-summary %S/Inputs/wrap-bar.ll -o %t1.o
; RUN: ld.lld %t.o %t1.o -shared -o %t.so -wrap=bar
; RUN: llvm-objdump -d %t.so | FileCheck %s -check-prefix=THIN
; RUN: llvm-readobj -t %t.so | FileCheck -check-prefix=BIND %s
; Make sure that calls in foo() are not eliminated and that bar is
; routed to __wrap_bar and __real_bar is routed to bar.
@ -13,6 +21,12 @@
; CHECK-NEXT: callq{{.*}}<__wrap_bar>
; CHECK-NEXT: callq{{.*}}<bar>
; THIN: foo:
; THIN-NEXT: pushq %rax
; THIN-NEXT: callq{{.*}}<__wrap_bar>
; THIN-NEXT: popq %rax
; THIN-NEXT: jmp{{.*}}<bar>
; Check that bar and __wrap_bar retain their original binding.
; BIND: Name: bar
; BIND-NEXT: Value: