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authorArnold Schwaighofer <aschwaighofer@apple.com>2013-02-07 16:10:15 +0000
committerArnold Schwaighofer <aschwaighofer@apple.com>2013-02-07 16:10:15 +0000
commit66f535a273e52d56199c7ce8f975796017b6cbb2 (patch)
tree42cd2d2b4c2353fc5e93d2dc27081f33e4107774 /test
parent7db31f100793cd4588de8f71b00a26784dd97c86 (diff)
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ARM cost model: Add costs for vector selects
Vector selects are cheap on NEON. They get lowered to a vbsl instruction. radar://13158753 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174631 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/Analysis/CostModel/ARM/select.ll54
1 files changed, 54 insertions, 0 deletions
diff --git a/test/Analysis/CostModel/ARM/select.ll b/test/Analysis/CostModel/ARM/select.ll
new file mode 100644
index 0000000..96afccf
--- /dev/null
+++ b/test/Analysis/CostModel/ARM/select.ll
@@ -0,0 +1,54 @@
+; 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: casts
+define void @casts() {
+ ; Scalar values
+ ; CHECK: cost of 1 {{.*}} select
+ %v1 = select i1 undef, i8 undef, i8 undef
+ ; CHECK: cost of 1 {{.*}} select
+ %v2 = select i1 undef, i16 undef, i16 undef
+ ; CHECK: cost of 1 {{.*}} select
+ %v3 = select i1 undef, i32 undef, i32 undef
+ ; CHECK: cost of 2 {{.*}} select
+ %v4 = select i1 undef, i64 undef, i64 undef
+ ; CHECK: cost of 1 {{.*}} select
+ %v5 = select i1 undef, float undef, float undef
+ ; CHECK: cost of 1 {{.*}} select
+ %v6 = select i1 undef, double undef, double undef
+
+ ; Vector values
+ ; CHECK: cost of 1 {{.*}} select
+ %v7 = select <2 x i1> undef, <2 x i8> undef, <2 x i8> undef
+ ; CHECK: cost of 1 {{.*}} select
+ %v8 = select <4 x i1> undef, <4 x i8> undef, <4 x i8> undef
+ ; CHECK: cost of 1 {{.*}} select
+ %v9 = select <8 x i1> undef, <8 x i8> undef, <8 x i8> undef
+ ; CHECK: cost of 1 {{.*}} select
+ %v10 = select <16 x i1> undef, <16 x i8> undef, <16 x i8> undef
+
+ ; CHECK: cost of 1 {{.*}} select
+ %v11 = select <2 x i1> undef, <2 x i16> undef, <2 x i16> undef
+ ; CHECK: cost of 1 {{.*}} select
+ %v12 = select <4 x i1> undef, <4 x i16> undef, <4 x i16> undef
+ ; CHECK: cost of 1 {{.*}} select
+ %v13 = select <8 x i1> undef, <8 x i16> undef, <8 x i16> undef
+
+ ; CHECK: cost of 1 {{.*}} select
+ %v14 = select <2 x i1> undef, <2 x i32> undef, <2 x i32> undef
+ ; CHECK: cost of 1 {{.*}} select
+ %v15 = select <4 x i1> undef, <4 x i32> undef, <4 x i32> undef
+ ; CHECK: cost of 1 {{.*}} select
+ %v16 = select <2 x i1> undef, <2 x i64> undef, <2 x i64> undef
+
+ ; CHECK: cost of 1 {{.*}} select
+ %v17 = select <2 x i1> undef, <2 x float> undef, <2 x float> undef
+ ; CHECK: cost of 1 {{.*}} select
+ %v18 = select <4 x i1> undef, <4 x float> undef, <4 x float> undef
+
+ ; CHECK: cost of 1 {{.*}} select
+ %v19 = select <2 x i1> undef, <2 x double> undef, <2 x double> undef
+
+ ret void
+}