mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
856e13ddac
size but different element types, so that it filters out the cases that CreateShuffleVectorCast doesn't handle. This fixes rdar://9786827. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135721 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
981 B
LLVM
28 lines
981 B
LLVM
; RUN: opt -scalarrepl -S < %s | FileCheck %s
|
|
; rdar://9786827
|
|
|
|
; SROA should be able to handle the mixed types and eliminate the allocas here.
|
|
|
|
; TODO: Currently it does this by falling back to integer "bags of bits".
|
|
; With enough cleverness, it should be possible to convert between <3 x i32>
|
|
; and <2 x i64> by using a combination of a bitcast and a shuffle.
|
|
|
|
; CHECK: {
|
|
; CHECK-NOT: alloca
|
|
; CHECK: }
|
|
|
|
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
|
|
target triple = "i386-apple-darwin11.0.0"
|
|
|
|
define <2 x i64> @foo() nounwind {
|
|
entry:
|
|
%retval = alloca <3 x i32>, align 16
|
|
%z = alloca <4 x i32>, align 16
|
|
%tmp = load <4 x i32>* %z
|
|
%tmp1 = shufflevector <4 x i32> %tmp, <4 x i32> undef, <3 x i32> <i32 0, i32 1, i32 2>
|
|
store <3 x i32> %tmp1, <3 x i32>* %retval
|
|
%0 = bitcast <3 x i32>* %retval to <2 x i64>*
|
|
%1 = load <2 x i64>* %0, align 1
|
|
ret <2 x i64> %1
|
|
}
|