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Diffstat (limited to 'test/CodeGen/ARM/tail-call-weak.ll')
| -rw-r--r-- | test/CodeGen/ARM/tail-call-weak.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/tail-call-weak.ll b/test/CodeGen/ARM/tail-call-weak.ll new file mode 100644 index 0000000..466c33d --- /dev/null +++ b/test/CodeGen/ARM/tail-call-weak.ll @@ -0,0 +1,19 @@ +; RUN: llc -mtriple thumbv7-windows-coff -filetype asm -o - %s | FileCheck %s -check-prefix CHECK-COFF +; RUN: llc -mtriple thumbv7-elf -filetype asm -o - %s | FileCheck %s -check-prefix CHECK-ELF +; RUN: llc -mtriple thumbv7-macho -filetype asm -o - %s | FileCheck %s -check-prefix CHECK-MACHO + +declare i8* @f() +declare extern_weak i8* @g(i8*) + +; weak symbol resolution occurs statically in PE/COFF, ensure that we permit +; tail calls on weak externals when targeting a COFF environment. +define void @test() { + %call = tail call i8* @f() + %call1 = tail call i8* @g(i8* %call) + ret void +} + +; CHECK-COFF: b g +; CHECK-ELF: bl g +; CHECK-MACHO: blx _g + |