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Ok, sometimes it's profitable to turn scalar_to_vector stuff into subreg access.

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Add a testcase.

llvm-svn: 80246
This commit is contained in:
Anton Korobeynikov 2009-08-27 14:51:42 +00:00
parent 33d151e85e
commit e17a92c545
1 changed files with 35 additions and 0 deletions
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35
test/CodeGen/ARM/2009-08-27-ScalarToVector.ll Normal file
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; RUN: llvm-as < %s | llc -mattr=+neon | not grep fldmfdd
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32"
target triple = "thumbv7-elf"
%bar = type { float, float, float }
%baz = type { i32, [16 x %bar], [16 x float], [16 x i32], i8 }
%foo = type { <4 x float> }
%quux = type { i32 (...)**, %baz*, i32 }
%quuz = type { %quux, i32, %bar, [128 x i8], [16 x %foo], %foo, %foo, %foo }
define arm_apcscc void @aaaa(%quuz* %this, i8* %block) {
entry:
br i1 undef, label %bb.nph269, label %bb201
bb.nph269: ; preds = %entry
br label %bb12
bb12: ; preds = %bb194, %bb.nph269
%0 = fmul <4 x float> undef, undef ; <<4 x float>> [#uses=1]
%1 = shufflevector <4 x float> %0, <4 x float> undef, <2 x i32> <i32 2, i32 3> ; <<2 x float>> [#uses=1]
%2 = shufflevector <2 x float> %1, <2 x float> undef, <4 x i32> zeroinitializer ; <<4 x float>> [#uses=1]
%3 = fadd <4 x float> undef, %2 ; <<4 x float>> [#uses=1]
br i1 undef, label %bb194, label %bb186
bb186: ; preds = %bb12
br label %bb194
bb194: ; preds = %bb186, %bb12
%besterror.0.0 = phi <4 x float> [ %3, %bb186 ], [ undef, %bb12 ] ; <<4 x float>> [#uses=0]
%indvar.next294 = add i32 undef, 1 ; <i32> [#uses=0]
br label %bb12
bb201: ; preds = %entry
ret void
}