; REQUIRES: asserts ; Test to ensure that the Unified LTO flag is set properly in the summary, and ; that we emit the correct error when linking bitcode files with different ; values of this flag. ; Linking bitcode both without UnifiedLTO set should work ; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t1 %s ; RUN: llvm-bcanalyzer -dump %t1 | FileCheck %s --check-prefix=NOUNIFIEDLTO ; RUN: llvm-dis -o - %t1 | FileCheck %s --check-prefix=NOUNIFIEDLTOFLAG ; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t2 %s ; RUN: llvm-bcanalyzer -dump %t2 | FileCheck %s --check-prefix=NOUNIFIEDLTO ; RUN: llvm-dis -o - %t2 | FileCheck %s --check-prefix=NOUNIFIEDLTOFLAG ; RUN: llvm-lto2 run -o %t3 %t1 %t2 ; RUN: not llvm-lto2 run --unified-lto=thin -o %t3 %t1 %t2 2>&1 | \ ; RUN: FileCheck --allow-empty %s --check-prefix UNIFIEDERR ; Linking bitcode with different values of UnifiedLTO should fail ; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t1 %s ; RUN: llvm-bcanalyzer -dump %t1 | FileCheck %s --check-prefix=NOUNIFIEDLTO ; RUN: llvm-dis -o - %t1 | FileCheck %s --check-prefix=NOUNIFIEDLTOFLAG ; RUN: opt -unified-lto -thinlto-bc -thinlto-split-lto-unit -o %t2 %s ; RUN: llvm-bcanalyzer -dump %t2 | FileCheck %s --check-prefix=UNIFIEDLTO ; RUN: llvm-dis -o - %t2 | FileCheck %s --check-prefix=UNIFIEDLTOFLAG ; RUN: not llvm-lto2 run --unified-lto=thin -o %t3 %t1 %t2 2>&1 | \ ; RUN: FileCheck --allow-empty %s --check-prefix UNIFIEDERR ; Linking bitcode with identical Unified LTO flags should succeed ; RUN: opt -unified-lto -thinlto-bc -thinlto-split-lto-unit -o %t1 %s ; RUN: llvm-bcanalyzer -dump %t1 | FileCheck %s --check-prefix=UNIFIEDLTO ; RUN: llvm-dis -o - %t1 | FileCheck %s --check-prefix=UNIFIEDLTOFLAG ; RUN: opt -unified-lto -thinlto-bc -thinlto-split-lto-unit -o %t2 %s ; RUN: llvm-bcanalyzer -dump %t2 | FileCheck %s --check-prefix=UNIFIEDLTO ; RUN: llvm-dis -o - %t2 | FileCheck %s --check-prefix=UNIFIEDLTOFLAG ; RUN: llvm-lto2 run --unified-lto=full --debug-only=lto -o %t3 %t1 %t2 2>&1 | \ ; RUN: FileCheck --allow-empty %s --check-prefix NOUNIFIEDERR --check-prefix FULL ; RUN: llvm-lto2 run --unified-lto=thin --debug-only=lto -o %t3 %t1 %t2 2>&1 | \ ; RUN: FileCheck --allow-empty %s --check-prefix NOUNIFIEDERR --check-prefix THIN ; RUN: llvm-lto2 run --debug-only=lto -o %t3 %t1 %t2 2>&1 | \ ; RUN: FileCheck --allow-empty %s --check-prefix THIN ; UNIFIEDERR: unified LTO compilation must use compatible bitcode modules ; NOUNIFIEDERR-NOT: unified LTO compilation must use compatible bitcode modules ; The flag should be set when UnifiedLTO is enabled ; UNIFIEDLTO: ; NOUNIFIEDLTO: ; Check that the corresponding module flag is set when expected. ; UNIFIEDLTOFLAG: !{i32 1, !"UnifiedLTO", i32 1} ; NOUNIFIEDLTOFLAG-NOT: !{i32 1, !"UnifiedLTO", i32 1} ; FULL: Running regular LTO ; THIN: Running ThinLTO 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"