From 3a0f1b3ed0f48129cc391fd5dc81ca410f0d77af Mon Sep 17 00:00:00 2001 From: Anton Korobeynikov Date: Thu, 27 Aug 2009 14:51:42 +0000 Subject: [PATCH] Ok, sometimes it's profitable to turn scalar_to_vector stuff into subreg access. Add a testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80246 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/ARM/2009-08-27-ScalarToVector.ll | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 test/CodeGen/ARM/2009-08-27-ScalarToVector.ll diff --git a/test/CodeGen/ARM/2009-08-27-ScalarToVector.ll b/test/CodeGen/ARM/2009-08-27-ScalarToVector.ll new file mode 100644 index 00000000000..fbe0a2372d7 --- /dev/null +++ b/test/CodeGen/ARM/2009-08-27-ScalarToVector.ll @@ -0,0 +1,35 @@ +; 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> ; <<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 ; [#uses=0] + br label %bb12 + +bb201: ; preds = %entry + ret void +} -- 2.34.1