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ARM: Implement CanLowerReturn so large vectors get expanded into sret.

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Fixes 14337.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168809 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2012-11-28 20:55:10 +00:00
parent 1ead68d769
commit 350c00843b
3 changed files with 29 additions and 0 deletions
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12
test/CodeGen/ARM/ret_sret_vector.ll Normal file
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@@ -0,0 +1,12 @@
; RUN: llc < %s | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
target triple = "thumbv7-apple-ios3.0.0"
define <4 x double> @PR14337(<4 x double> %a, <4 x double> %b) {
%foo = fadd <4 x double> %a, %b
ret <4 x double> %foo
; CHECK: PR14337:
; CHECK: vst1.64
; CHECK: vst1.64
}