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Diffstat (limited to 'test/CodeGen/SPARC/empty-functions.ll')
| -rw-r--r-- | test/CodeGen/SPARC/empty-functions.ll | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/CodeGen/SPARC/empty-functions.ll b/test/CodeGen/SPARC/empty-functions.ll new file mode 100644 index 0000000..38d2889 --- /dev/null +++ b/test/CodeGen/SPARC/empty-functions.ll @@ -0,0 +1,32 @@ +; RUN: llc < %s -mtriple=sparc-linux-gnu | FileCheck -check-prefix=LINUX-NO-FP %s +; RUN: llc < %s -mtriple=sparc-linux-gnu -disable-fp-elim | FileCheck -check-prefix=LINUX-FP %s + +define void @func() { +entry: + unreachable +} + +; An empty function is perfectly fine on ELF. +; LINUX-NO-FP: func: +; LINUX-NO-FP-NEXT: .cfi_startproc +; LINUX-NO-FP-NEXT: {{^}}! +; LINUX-NO-FP-NEXT: {{^}}.L{{.*}}:{{$}} +; LINUX-NO-FP-NEXT: .size func, .L{{.*}}-func +; LINUX-NO-FP-NEXT: .cfi_endproc + +; A cfi directive can point to the end of a function. It (and in fact the +; entire body) could be optimized out because of the unreachable, but we +; don't do it right now. +; LINUX-FP: func: +; LINUX-FP-NEXT: .cfi_startproc +; LINUX-FP-NEXT: {{^}}! +; LINUX-FP-NEXT: save %sp, -96, %sp +; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}} +; LINUX-FP-NEXT: .cfi_def_cfa_register %fp +; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}} +; LINUX-FP-NEXT: .cfi_window_save +; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}} +; LINUX-FP-NEXT: .cfi_register 15, 31 +; LINUX-FP-NEXT: {{^}}.L{{.*}}:{{$}} +; LINUX-FP-NEXT: .size func, .Ltmp3-func +; LINUX-FP-NEXT: .cfi_endproc |