diff options
Diffstat (limited to 'llvm/test/ThinLTO/X86/index-const-prop-linkage.ll')
| -rw-r--r-- | llvm/test/ThinLTO/X86/index-const-prop-linkage.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/llvm/test/ThinLTO/X86/index-const-prop-linkage.ll b/llvm/test/ThinLTO/X86/index-const-prop-linkage.ll new file mode 100644 index 00000000000..aac91772111 --- /dev/null +++ b/llvm/test/ThinLTO/X86/index-const-prop-linkage.ll @@ -0,0 +1,27 @@ +; RUN: opt -module-summary %s -o %t1.bc +; RUN: opt -module-summary %p/Inputs/index-const-prop-linkage.ll -o %t2.bc +; RUN: llvm-lto2 run -save-temps %t2.bc -r=%t2.bc,foo,pl -r=%t2.bc,g1,pl -r=%t2.bc,g2,pl -r=%t2.bc,g3, \ +; RUN: %t1.bc -r=%t1.bc,foo, -r=%t1.bc,main,plx -r=%t1.bc,g2, -o %t3 +; RUN: llvm-dis %t3.2.3.import.bc -o - | FileCheck %s + +; Check that we never internalize anything with: +; - appending linkage +; - common linkage +; - available_externally linkage +; - reference from @llvm.used +; CHECK: @llvm.used = appending global [1 x i32*] [i32* @g2] +; CHECK-NEXT: @g1 = external dso_local global i32, align 4 +; CHECK-NEXT: @g2 = available_externally dso_local global i32 42, align 4 +; CHECK-NEXT: @g3 = available_externally global i32 42, align 4 + +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +declare i32 @foo() +@g2 = external global i32 +@llvm.used = appending global [1 x i32*] [i32* @g2] + +define i32 @main() { + %v = call i32 @foo() + ret i32 %v +} |
