| ; REQUIRES: x86-registered-target |
| |
| ; check the -lto-embed-bitcode=post-thinlto-merge does not perform optimizations |
| ; we expect 't1' - i.e start-lib1.ll's products - have both foo and bar defined, |
| ; but the bar call is still made from foo. |
| ; RUN: opt -module-summary %p/Inputs/start-lib1.ll -o %t1.bc |
| ; RUN: opt -module-summary %p/Inputs/start-lib2.ll -o %t2.bc |
| ; RUN: llvm-lto -thinlto -o %t.o %t1.bc %t2.bc |
| |
| ; For the optimized case, we expect the inlining of foo into bar to happen. |
| ; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t-opt.o -x ir %t1.bc -c -fthinlto-index=%t.o.thinlto.bc -mllvm -lto-embed-bitcode=optimized |
| ; RUN: llvm-readelf -S %t-opt.o | FileCheck %s --check-prefixes=CHECK-ELF,CHECK-ELF-NO-CMD |
| ; RUN: llvm-objcopy --dump-section=.llvmbc=%t-embedded.bc %t-opt.o /dev/null |
| ; RUN: llvm-dis %t-embedded.bc -o - | FileCheck %s --check-prefixes=CHECK,CHECK-OPT |
| |
| ; For the post-merge case, perform the embedded bitcode extraction, then |
| ; round-trip through compilation and ensure the objects are the same. |
| ; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t.o -x ir %t1.bc -c -fthinlto-index=%t.o.thinlto.bc -mllvm -lto-embed-bitcode=post-merge-pre-opt |
| ; RUN: llvm-readelf -S %t.o | FileCheck %s --check-prefixes=CHECK-ELF,CHECK-ELF-CMD |
| ; RUN: llvm-objcopy --dump-section=.llvmcmd=%t-embedded.cmd %t.o /dev/null |
| ; RUN: FileCheck %s --check-prefixes=CHECK-EMBEDDED-CMD <%t-embedded.cmd |
| ; RUN: llvm-objcopy --dump-section=.llvmbc=%t-embedded.bc %t.o /dev/null |
| ; RUN: llvm-dis %t-embedded.bc -o - | FileCheck %s --check-prefixes=CHECK,CHECK-NOOPT |
| ; We should only need the index and the post-thinlto merged module to generate |
| ; the exact same .o as we originally did. |
| ; RUN: rm %t1.bc %t2.bc |
| ; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t-redo.o -x ir %t-embedded.bc -c -fthinlto-index=%t.o.thinlto.bc -mllvm -lto-embed-bitcode=post-merge-pre-opt -mllvm -thinlto-assume-merged |
| ; |
| ; The resulting .o is almost the same, but the .llvmcmd section would be |
| ; different because of the extra -thinlto-assume-merged. |
| ; A simple, meaningful comparison is to just compare the stripped objects. |
| ; RUN: llvm-strip --strip-all %t-redo.o |
| ; RUN: llvm-strip --strip-all %t.o |
| ; RUN: diff %t-redo.o %t.o |
| |
| ; CHECK-ELF: .text PROGBITS 0000000000000000 [[#%x,OFF:]] [[#%x,SIZE:]] 00 AX 0 |
| ; CHECK-ELF-NEXT: .llvmbc PROGBITS 0000000000000000 [[#%x,OFF:]] [[#%x,SIZE:]] 00 0 |
| ; CHECK-ELF-CMD: .llvmcmd |
| ; CHECK-ELF-NO-CMD-NOT: .llvmcmd |
| |
| ; CHECK: define void @foo() |
| ; CHECK-OPT-NEXT: ret void |
| ; CHECK-NOOPT-NEXT: call void @bar() |
| ; CHECK-NOOPT: define available_externally void @bar() |
| ; CHECK-NOOPT-NEXT: ret void |
| |
| ; CHECK-EMBEDDED-CMD: x86_64-unknown-linux-gnu{{.*$}} |
| ; CHECK-EMBEDDED-CMD-NOT: x86_64-unknown-linux-gnu |