Target/X86: Tweak va_arg for Win64 not to miss taking va_start when number of fixed...

[oota-llvm.git] / test / CodeGen / X86 / win64_vararg.ll

diff --git a/test/CodeGen/X86/win64_vararg.ll b/test/CodeGen/X86/win64_vararg.ll
index a451318f6e8c30f7deac5318c4e9ac128c332347..efe8bcacbeae299abaa33a2ff958af5d2e59d373 100644 (file)
--- 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
+}