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| author | NAKAMURA Takumi <geek4civic@gmail.com> | 2011-03-09 11:33:15 +0000 |
|---|---|---|
| committer | NAKAMURA Takumi <geek4civic@gmail.com> | 2011-03-09 11:33:15 +0000 |
| commit | 3ca99435e90327990e9db7218e61dfd6ee6b6f8a (patch) | |
| tree | de8652a13652357311e529889eff4ed4e4aefc9a /test/CodeGen | |
| parent | 6716b8ec9d3a2e35ba931f5553da3e3ed898ad9e (diff) | |
Target/X86: Tweak va_arg for Win64 not to miss taking va_start when number of fixed args > 4.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127328 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/X86/win64_vararg.ll | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/CodeGen/X86/win64_vararg.ll b/test/CodeGen/X86/win64_vararg.ll index a451318f6e..efe8bcacbe 100644 --- a/test/CodeGen/X86/win64_vararg.ll +++ b/test/CodeGen/X86/win64_vararg.ll @@ -18,3 +18,36 @@ entry: } declare void @llvm.va_start(i8*) nounwind + +; CHECK: f5: +; CHECK: pushq +; CHECK: leaq 56(%rsp), +define i8* @f5(i64 %a0, i64 %a1, i64 %a2, i64 %a3, i64 %a4, ...) nounwind { +entry: + %ap = alloca i8*, align 8 + %ap1 = bitcast i8** %ap to i8* + call void @llvm.va_start(i8* %ap1) + ret i8* %ap1 +} + +; CHECK: f4: +; CHECK: pushq +; CHECK: leaq 48(%rsp), +define i8* @f4(i64 %a0, i64 %a1, i64 %a2, i64 %a3, ...) nounwind { +entry: + %ap = alloca i8*, align 8 + %ap1 = bitcast i8** %ap to i8* + call void @llvm.va_start(i8* %ap1) + ret i8* %ap1 +} + +; CHECK: f3: +; CHECK: pushq +; CHECK: leaq 40(%rsp), +define i8* @f3(i64 %a0, i64 %a1, i64 %a2, ...) nounwind { +entry: + %ap = alloca i8*, align 8 + %ap1 = bitcast i8** %ap to i8* + call void @llvm.va_start(i8* %ap1) + ret i8* %ap1 +} |