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author | Chris Lattner <sabre@nondot.org> | 2009-07-15 04:12:33 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2009-07-15 04:12:33 +0000 |
commit | 4fb63d088bca9fc31e54eb1619e2cb448c3a4b53 (patch) | |
tree | a50ab800afc5cee0840ae37bc634529251e98cb7 /test | |
parent | 0a2385455b01186b947148b00c80a89e8a725099 (diff) | |
download | external_llvm-4fb63d088bca9fc31e54eb1619e2cb448c3a4b53.zip external_llvm-4fb63d088bca9fc31e54eb1619e2cb448c3a4b53.tar.gz external_llvm-4fb63d088bca9fc31e54eb1619e2cb448c3a4b53.tar.bz2 |
fix an arm codegen bug (the same as PR4482 on ppc) where available_externally
symbols were not getting stubs. While I'm at it, add a big testcase for
stub generation to make sure I don't break anything.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75737 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/CodeGen/ARM/stubs.ll | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/stubs.ll b/test/CodeGen/ARM/stubs.ll new file mode 100644 index 0000000..7c9cc23 --- /dev/null +++ b/test/CodeGen/ARM/stubs.ll @@ -0,0 +1,67 @@ +; RUN: llvm-as < %s | llc -relocation-model=static | FileCheck %s -check-prefix=STATIC +; RUN: llvm-as < %s | llc -relocation-model=pic | FileCheck %s -check-prefix=PIC +; RUN: llvm-as < %s | llc -relocation-model=dynamic-no-pic | FileCheck %s -check-prefix=DYNAMIC +; PR4482 +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" +target triple = "armv6-apple-darwin2" + +define i32 @foo(i64 %x) nounwind { +entry: +; STATIC: _foo: +; STATIC: bl _exact_log2 +; STATIC: ldmfd sp!, {r7, pc} +; STATIC: .subsections_via_symbols + +; PIC: _foo: +; PIC: bl L_exact_log2$stub +; PIC: ldmfd sp!, {r7, pc} + +; DYNAMIC: _foo: +; DYNAMIC: bl L_exact_log2$stub +; DYNAMIC: ldmfd sp!, {r7, pc} + + %A = call i32 @exact_log2(i64 %x) + ret i32 %A +} + +define available_externally i32 @exact_log2(i64 %x) nounwind { + ret i32 4 +} + + +; PIC: .section __TEXT,__picsymbolstub4,symbol_stubs,none,16 +; PIC: L_exact_log2$stub: +; PIC: .indirect_symbol _exact_log2 +; PIC: ldr ip, L_exact_log2$slp +; PIC: L_exact_log2$scv: +; PIC: add ip, pc, ip +; PIC: ldr pc, [ip, #0] +; PIC: L_exact_log2$slp: +; PIC: .long L_exact_log2$lazy_ptr-(L_exact_log2$scv+8) + +; PIC: .lazy_symbol_pointer +; PIC: L_exact_log2$lazy_ptr: +; PIC: .indirect_symbol _exact_log2 +; PIC: .long dyld_stub_binding_helper + +; PIC: .subsections_via_symbols + + +; DYNAMIC: .section __TEXT,__symbol_stub4,symbol_stubs,none,12 +; DYNAMIC: L_exact_log2$stub: +; DYNAMIC: .indirect_symbol _exact_log2 +; DYNAMIC: ldr ip, L_exact_log2$slp +; DYNAMIC: ldr pc, [ip, #0] +; DYNAMIC: L_exact_log2$slp: +; DYNAMIC: .long L_exact_log2$lazy_ptr + +; DYNAMIC: .lazy_symbol_pointer +; DYNAMIC: L_exact_log2$lazy_ptr: +; DYNAMIC: .indirect_symbol _exact_log2 +; DYNAMIC: .long dyld_stub_binding_helper +; DYNAMIC: .subsections_via_symbols + + + + + |