diff options
| author | Arnold Schwaighofer <aschwaighofer@apple.com> | 2013-02-12 02:40:39 +0000 |
|---|---|---|
| committer | Arnold Schwaighofer <aschwaighofer@apple.com> | 2013-02-12 02:40:39 +0000 |
| commit | 89aef93841a76a05199a8c7684e00915bd9593ab (patch) | |
| tree | 54f2a6ec9fc8bce6ec97d6f7b8cb6557efefbb8f /llvm/test | |
| parent | 7e2ca6e74ec13fb60d12dd913edd65c86c00f57b (diff) | |
| download | bcm5719-llvm-89aef93841a76a05199a8c7684e00915bd9593ab.tar.gz bcm5719-llvm-89aef93841a76a05199a8c7684e00915bd9593ab.zip | |
ARM cost model: Add vector reverse shuffle costs
A reverse shuffle is lowered to a vrev and possibly a vext instruction (quad
word).
radar://13171406
llvm-svn: 174933
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Analysis/CostModel/ARM/shuffle.ll | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/llvm/test/Analysis/CostModel/ARM/shuffle.ll b/llvm/test/Analysis/CostModel/ARM/shuffle.ll new file mode 100644 index 00000000000..c92d6688046 --- /dev/null +++ b/llvm/test/Analysis/CostModel/ARM/shuffle.ll @@ -0,0 +1,40 @@ +; RUN: opt < %s -cost-model -analyze -mtriple=thumbv7-apple-ios6.0.0 -mcpu=swift | 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-ios6.0.0" + +; CHECK: shuffle +define void @shuffle() { + + + ;; Reverse shuffles should be lowered to vrev and possibly a vext (for + ;; quadwords) + + ; Vector values + ; CHECK: cost of 1 {{.*}} shuffle + %v7 = shufflevector <2 x i8> undef, <2 x i8>undef, <2 x i32> <i32 1, i32 0> + ; CHECK: cost of 1 {{.*}} shuffle + %v8 = shufflevector <4 x i8> undef, <4 x i8>undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0> + ; CHECK: cost of 1 {{.*}} shuffle + %v9 = shufflevector <8 x i8> undef, <8 x i8>undef, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0> + ; CHECK: cost of 2 {{.*}} shuffle + %v10 = shufflevector <16 x i8> undef, <16 x i8>undef, <16 x i32> <i32 15, i32 14, i32 13, i32 12, i32 11, i32 10, i32 9, i32 8, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0> + + ; CHECK: cost of 1 {{.*}} shuffle + %v11 = shufflevector <2 x i16> undef, <2 x i16>undef, <2 x i32> <i32 1, i32 0> + ; CHECK: cost of 1 {{.*}} shuffle + %v12 = shufflevector <4 x i16> undef, <4 x i16>undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0> + ; CHECK: cost of 2 {{.*}} shuffle + %v13 = shufflevector <8 x i16> undef, <8 x i16>undef, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0> + + ; CHECK: cost of 1 {{.*}} shuffle + %v14 = shufflevector <2 x i32> undef, <2 x i32>undef, <2 x i32> <i32 1, i32 0> + ; CHECK: cost of 2 {{.*}} shuffle + %v15 = shufflevector <4 x i32> undef, <4 x i32>undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0> + + ; CHECK: cost of 1 {{.*}} shuffle + %v16 = shufflevector <2 x float> undef, <2 x float>undef, <2 x i32> <i32 1, i32 0> + ; CHECK: cost of 2 {{.*}} shuffle + %v17 = shufflevector <4 x float> undef, <4 x float>undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0> + + ret void +} |
