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This patch fixes PR13626 by providing i128 support in the return

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calling convention.  128-bit integers are now properly returned
in GPR3 and GPR4 on PowerPC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172745 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Schmidt 2013-01-17 19:34:57 +00:00
parent 505bca3617
commit 8f4ee4b2a2
2 changed files with 19 additions and 0 deletions
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1
lib/Target/PowerPC/PPCCallingConv.td
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@ -27,6 +27,7 @@ def RetCC_PPC : CallingConv<[
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]>>,

18
test/CodeGen/PowerPC/quadint-return.ll Normal file
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@ -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