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Differential D35126

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

Authored by davide on Jul 7 2017, 9:20 AM.

Details

Reviewers
• rafael
pcc
ruiu
Commits
rG406d8707f090: [LTO] Add a test for ThinLTO + --wrap.
rLLD307410: [LTO] Add a test for ThinLTO + --wrap.
rL307410: [LTO] Add a test for ThinLTO + --wrap.
Summary

We should get this right after r307303.

Diff Detail

Event Timeline

davide created this revision.Jul 7 2017, 9:20 AM
Herald added subscribers: inglorion, emaste. · View Herald TranscriptJul 7 2017, 9:20 AM
davide added a reviewer: ruiu.Jul 7 2017, 9:22 AM
Closed by commit rL307410: [LTO] Add a test for ThinLTO + --wrap. (authored by davide). · Explain WhyJul 7 2017, 9:33 AM
This revision was automatically updated to reflect the committed changes.

Revision Contents

PathSize
test/
ELF/
lto/
7 lines
14 lines

Diff 105653

test/ELF/lto/wrap-1.ll

; REQUIRES: x86 ; REQUIRES: x86
; LTO
; RUN: llvm-as %s -o %t.o ; RUN: llvm-as %s -o %t.o
; RUN: ld.lld %t.o -o %t.out -wrap=bar -save-temps ; RUN: ld.lld %t.o -o %t.out -wrap=bar -save-temps
; RUN: llvm-readobj -t %t.out | FileCheck %s ; RUN: llvm-readobj -t %t.out | FileCheck %s
; RUN: cat %t.out.resolution.txt | FileCheck -check-prefix=RESOLS %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: Name: __wrap_bar
; CHECK-NEXT: Value: ; CHECK-NEXT: Value:
; CHECK-NEXT: Size: ; CHECK-NEXT: Size:
; CHECK-NEXT: Binding: Global ; CHECK-NEXT: Binding: Global
; CHECK-NEXT: Type: Function ; CHECK-NEXT: Type: Function
; Make sure that the 'r' (linker redefined) bit is set for bar and __wrap_bar ; Make sure that the 'r' (linker redefined) bit is set for bar and __wrap_bar
; in the resolutions file. ; in the resolutions file.
Show All 21 Lines

test/ELF/lto/wrap-2.ll

; REQUIRES: x86 ; REQUIRES: x86
; LTO
; RUN: llvm-as %s -o %t.o ; RUN: llvm-as %s -o %t.o
; RUN: llvm-as %S/Inputs/wrap-bar.ll -o %t1.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: ld.lld %t.o %t1.o -shared -o %t.so -wrap=bar
; RUN: llvm-objdump -d %t.so | FileCheck %s ; RUN: llvm-objdump -d %t.so | FileCheck %s
; RUN: llvm-readobj -t %t.so | FileCheck -check-prefix=BIND %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 ; Make sure that calls in foo() are not eliminated and that bar is
; routed to __wrap_bar and __real_bar is routed to bar. ; routed to __wrap_bar and __real_bar is routed to bar.
; CHECK: foo: ; CHECK: foo:
; CHECK-NEXT: pushq %rax ; CHECK-NEXT: pushq %rax
; CHECK-NEXT: callq{{.*}}<__wrap_bar> ; CHECK-NEXT: callq{{.*}}<__wrap_bar>
; CHECK-NEXT: callq{{.*}}<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. ; Check that bar and __wrap_bar retain their original binding.
; BIND: Name: bar ; BIND: Name: bar
; BIND-NEXT: Value: ; BIND-NEXT: Value:
; BIND-NEXT: Size: ; BIND-NEXT: Size:
; BIND-NEXT: Binding: Local ; BIND-NEXT: Binding: Local
; BIND: Name: __wrap_bar ; BIND: Name: __wrap_bar
; BIND-NEXT: Value: ; BIND-NEXT: Value:
; BIND-NEXT: Size: ; BIND-NEXT: Size:
Show All 13 Lines