[llvm-commits] [llvm] r172745 - in /llvm/trunk: lib/Target/PowerPC/PPCCallingConv.td test/CodeGen/PowerPC/quadint-return.ll

[Bill Schmidt]

Author: wschmidt
Date: Thu Jan 17 13:34:57 2013
New Revision: 172745

URL: http://llvm.org/viewvc/llvm-project?rev=172745&view=rev
Log:
This patch fixes PR13626 by providing i128 support in the return
calling convention.  128-bit integers are now properly returned
in GPR3 and GPR4 on PowerPC.

Added:
    llvm/trunk/test/CodeGen/PowerPC/quadint-return.ll
Modified:
    llvm/trunk/lib/Target/PowerPC/PPCCallingConv.td

Modified: llvm/trunk/lib/Target/PowerPC/PPCCallingConv.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCCallingConv.td?rev=172745&r1=172744&r2=172745&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCCallingConv.td (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCCallingConv.td Thu Jan 17 13:34:57 2013
@@ -27,6 +27,7 @@
 
   CCIfType<[i32], CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10]>>,
   CCIfType<[i64], CCAssignToReg<[X3, X4, X5, X6]>>,
+  CCIfType<[i128], CCAssignToReg<[X3, X4, X5, X6]>>,
   
   CCIfType<[f32], CCAssignToReg<[F1, F2]>>,
   CCIfType<[f64], CCAssignToReg<[F1, F2, F3, F4]>>,

Added: llvm/trunk/test/CodeGen/PowerPC/quadint-return.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PowerPC/quadint-return.ll?rev=172745&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/PowerPC/quadint-return.ll (added)
+++ llvm/trunk/test/CodeGen/PowerPC/quadint-return.ll Thu Jan 17 13:34:57 2013
@@ -0,0 +1,18 @@
+; RUN: llc -O0 -debug -o - < %s 2>&1 | FileCheck %s
+
+target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
+target triple = "powerpc64-unknown-linux-gnu"
+
+define i128 @foo() nounwind {
+entry:
+  %x = alloca i128, align 16
+  store i128 27, i128* %x, align 16
+  %0 = load i128* %x, align 16
+  ret i128 %0
+}
+
+; CHECK: ********** Function: foo
+; CHECK: ********** FAST REGISTER ALLOCATION **********
+; CHECK: %X3<def> = COPY %vreg
+; CHECK-NEXT: %X4<def> = COPY %vreg
+; CHECK-NEXT: BLR