[llvm-commits] [llvm] r46262 - in /llvm/trunk: lib/Target/X86/X86CallingConv.td test/CodeGen/X86/sse-varargs.ll

[Evan Cheng]

Author: evancheng
Date: Tue Jan 22 17:26:53 2008
New Revision: 46262

URL: http://llvm.org/viewvc/llvm-project?rev=46262&view=rev
Log:
SSE varargs arguments are passed in memory.

Added:
    llvm/trunk/test/CodeGen/X86/sse-varargs.ll
Modified:
    llvm/trunk/lib/Target/X86/X86CallingConv.td

Modified: llvm/trunk/lib/Target/X86/X86CallingConv.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86CallingConv.td?rev=46262&r1=46261&r2=46262&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86CallingConv.td (original)
+++ llvm/trunk/lib/Target/X86/X86CallingConv.td Tue Jan 22 17:26:53 2008
@@ -190,8 +190,8 @@
   CCIfType<[f80], CCAssignToStack<0, 4>>,
 
   // The first 4 vector arguments are passed in XMM registers.
-  CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],
-              CCAssignToReg<[XMM0, XMM1, XMM2, XMM3]>>,
+  CCIfNotVarArg<CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],
+                CCAssignToReg<[XMM0, XMM1, XMM2, XMM3]>>>,
 
   // Other vectors get 16-byte stack slots that are 16-byte aligned.
   CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], CCAssignToStack<16, 16>>,

Added: llvm/trunk/test/CodeGen/X86/sse-varargs.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/sse-varargs.ll?rev=46262&view=auto

==============================================================================
--- llvm/trunk/test/CodeGen/X86/sse-varargs.ll (added)
+++ llvm/trunk/test/CodeGen/X86/sse-varargs.ll Tue Jan 22 17:26:53 2008
@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep xmm | grep esp
+
+define i32 @t() nounwind  {
+entry:
+	tail call void (i32, ...)* @foo( i32 1, <4 x i32> < i32 10, i32 11, i32 12, i32 13 > ) nounwind 
+	ret i32 0
+}
+
+declare void @foo(i32, ...)