llvm-project/clang/test/CodeGen/thinlto_backend.ll
Amy Huang 7b1d793713 Reland "Change the X86 datalayout to add three address spaces
for 32 bit signed, 32 bit unsigned, and 64 bit pointers."
This reverts 57076d3199fc2b0af4a3736b7749dd5462cacda5.

Original review at https://reviews.llvm.org/D64931.
Review for added fix at https://reviews.llvm.org/D66843.

llvm-svn: 371568
2019-09-10 23:15:38 +00:00

66 lines
3.0 KiB
LLVM

; REQUIRES: x86-registered-target
; RUN: opt -module-summary -o %t1.o %s
; RUN: opt -module-summary -o %t2.o %S/Inputs/thinlto_backend.ll
; RUN: llvm-lto -thinlto -o %t %t1.o %t2.o
; Ensure clang -cc1 give expected error for incorrect input type
; RUN: not %clang_cc1 -O2 -o %t1.o -x c %s -c -fthinlto-index=%t.thinlto.bc 2>&1 | FileCheck %s -check-prefix=CHECK-WARNING
; CHECK-WARNING: error: invalid argument '-fthinlto-index={{.*}}' only allowed with '-x ir'
; Ensure we get expected error for missing index file
; RUN: %clang -O2 -o %t4.o -x ir %t1.o -c -fthinlto-index=bad.thinlto.bc 2>&1 | FileCheck %s -check-prefix=CHECK-ERROR1
; CHECK-ERROR1: Error loading index file 'bad.thinlto.bc'
; Ensure we ignore empty index file, and run non-ThinLTO compilation which
; would not import f2
; RUN: touch %t4.thinlto.bc
; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t4.o -x ir %t1.o -c -fthinlto-index=%t4.thinlto.bc
; RUN: llvm-nm %t4.o | FileCheck --check-prefix=CHECK-OBJ-IGNORE-EMPTY %s
; CHECK-OBJ-IGNORE-EMPTY: T f1
; CHECK-OBJ-IGNORE-EMPTY: U f2
; Ensure we don't fail with index and non-ThinLTO object file, and output must
; be empty file.
; RUN: opt -o %t5.o %s
; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t4.o -x ir %t5.o -c -fthinlto-index=%t.thinlto.bc
; RUN: llvm-nm %t4.o 2>&1 | FileCheck %s -check-prefix=NO-SYMBOLS
; NO-SYMBOLS: no symbols
; Ensure f2 was imported. Check for all 3 flavors of -save-temps[=cwd|obj].
; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t3.o -x ir %t1.o -c -fthinlto-index=%t.thinlto.bc -save-temps=obj
; RUN: llvm-dis %t1.s.3.import.bc -o - | FileCheck --check-prefix=CHECK-IMPORT %s
; RUN: mkdir -p %T/dir1
; RUN: cd %T/dir1
; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t3.o -x ir %t1.o -c -fthinlto-index=%t.thinlto.bc -save-temps=cwd
; RUN: cd ../..
; RUN: llvm-dis %T/dir1/*1.s.3.import.bc -o - | FileCheck --check-prefix=CHECK-IMPORT %s
; RUN: mkdir -p %T/dir2
; RUN: cd %T/dir2
; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t3.o -x ir %t1.o -c -fthinlto-index=%t.thinlto.bc -save-temps
; RUN: cd ../..
; RUN: llvm-dis %T/dir2/*1.s.3.import.bc -o - | FileCheck --check-prefix=CHECK-IMPORT %s
; CHECK-IMPORT: define available_externally void @f2()
; RUN: llvm-nm %t3.o | FileCheck --check-prefix=CHECK-OBJ %s
; CHECK-OBJ: T f1
; CHECK-OBJ-NOT: U f2
; Ensure we get expected error for input files without summaries
; RUN: opt -o %t2.o %s
; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t3.o -x ir %t1.o -c -fthinlto-index=%t.thinlto.bc 2>&1 | FileCheck %s -check-prefix=CHECK-ERROR2
; CHECK-ERROR2: Error loading imported file '{{.*}}': Could not find module summary
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
declare void @f2()
declare i8* @f3()
define void @f1() {
call void @f2()
; Make sure that the backend can handle undefined references.
; Do an indirect call so that the undefined ref shows up in the combined index.
call void bitcast (i8*()* @f3 to void()*)()
ret void
}