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author | Duncan Sands <baldrick@free.fr> | 2008-11-03 11:51:11 +0000 |
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committer | Duncan Sands <baldrick@free.fr> | 2008-11-03 11:51:11 +0000 |
commit | 5c58a3168f006aaacf2e9c6a69dde86b630d783e (patch) | |
tree | 6ae2cf42754e5adec3cacf07cfe0c97e87f5c47f /test | |
parent | 06140888b1fed24910031f23c302c6a3221f3c42 (diff) | |
download | llvm-5c58a3168f006aaacf2e9c6a69dde86b630d783e.tar.gz llvm-5c58a3168f006aaacf2e9c6a69dde86b630d783e.tar.bz2 llvm-5c58a3168f006aaacf2e9c6a69dde86b630d783e.tar.xz |
Make VAARG work with x86 long double (which is
10 bytes long, but is passed in 12/16 bytes).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58608 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/CodeGen/X86/2008-11-03-F80VAARG.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2008-11-03-F80VAARG.ll b/test/CodeGen/X86/2008-11-03-F80VAARG.ll new file mode 100644 index 0000000000..bb9fbdba4a --- /dev/null +++ b/test/CodeGen/X86/2008-11-03-F80VAARG.ll @@ -0,0 +1,17 @@ +; RUN: llvm-as < %s | llc -march=x86 -o - | not grep 10 + +declare void @llvm.va_start(i8*) nounwind + +declare void @llvm.va_copy(i8*, i8*) nounwind + +declare void @llvm.va_end(i8*) nounwind + +define x86_fp80 @test(...) nounwind { + %ap = alloca i8* ; <i8**> [#uses=3] + %v1 = bitcast i8** %ap to i8* ; <i8*> [#uses=1] + call void @llvm.va_start(i8* %v1) + %t1 = va_arg i8** %ap, x86_fp80 ; <x86_fp80> [#uses=1] + %t2 = va_arg i8** %ap, x86_fp80 ; <x86_fp80> [#uses=1] + %t = add x86_fp80 %t1, %t2 ; <x86_fp80> [#uses=1] + ret x86_fp80 %t +} |