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authorNadav Rotem <nrotem@apple.com>2012-11-05 22:20:53 +0000
committerNadav Rotem <nrotem@apple.com>2012-11-05 22:20:53 +0000
commit2d1528b3584ad85f2674f7db14b6ee607da678ec (patch)
tree9b91e1b8f151c18b011df18cdb54de2b28f5609d /test
parente010eb3041c03fb9bbdc16f036ff69a3bbad6dfa (diff)
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Code Model: Improve the accuracy of the zext/sext/trunc vector cost estimation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167412 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/Analysis/CostModel/X86/cast.ll34
-rw-r--r--test/Transforms/LoopVectorize/X86/conversion-cost.ll4
2 files changed, 36 insertions, 2 deletions
diff --git a/test/Analysis/CostModel/X86/cast.ll b/test/Analysis/CostModel/X86/cast.ll
new file mode 100644
index 0000000000..f8b1114a7c
--- /dev/null
+++ b/test/Analysis/CostModel/X86/cast.ll
@@ -0,0 +1,34 @@
+; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.8.0"
+
+define i32 @add(i32 %arg) {
+
+ ; -- Same size registeres --
+ ;CHECK: cost of 1 {{.*}} zext
+ %A = zext <4 x i1> undef to <4 x i32>
+ ;CHECK: cost of 2 {{.*}} sext
+ %B = sext <4 x i1> undef to <4 x i32>
+ ;CHECK: cost of 0 {{.*}} trunc
+ %C = trunc <4 x i32> undef to <4 x i1>
+
+ ; -- Different size registers --
+ ;CHECK-NOT: cost of 1 {{.*}} zext
+ %D = zext <8 x i1> undef to <8 x i32>
+ ;CHECK-NOT: cost of 2 {{.*}} sext
+ %E = sext <8 x i1> undef to <8 x i32>
+ ;CHECK-NOT: cost of 2 {{.*}} trunc
+ %F = trunc <8 x i32> undef to <8 x i1>
+
+ ; -- scalars --
+
+ ;CHECK: cost of 1 {{.*}} zext
+ %G = zext i1 undef to i32
+ ;CHECK: cost of 0 {{.*}} trunc
+ %H = trunc i32 undef to i1
+
+ ;CHECK: cost of 1 {{.*}} ret
+ ret i32 undef
+}
+
diff --git a/test/Transforms/LoopVectorize/X86/conversion-cost.ll b/test/Transforms/LoopVectorize/X86/conversion-cost.ll
index 19bcdc5d90..8f1bb545fa 100644
--- a/test/Transforms/LoopVectorize/X86/conversion-cost.ll
+++ b/test/Transforms/LoopVectorize/X86/conversion-cost.ll
@@ -4,7 +4,7 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
target triple = "x86_64-apple-macosx10.8.0"
;CHECK: @conversion_cost1
-;CHECK: store <8 x i8>
+;CHECK: store <2 x i8>
;CHECK: ret
define i32 @conversion_cost1(i32 %n, i8* nocapture %A, float* nocapture %B) nounwind uwtable ssp {
%1 = icmp sgt i32 %n, 3
@@ -25,7 +25,7 @@ define i32 @conversion_cost1(i32 %n, i8* nocapture %A, float* nocapture %B) noun
}
;CHECK: @conversion_cost2
-;CHECK-NOT: <8 x float>
+;CHECK: <2 x float>
;CHECK: ret
define i32 @conversion_cost2(i32 %n, i8* nocapture %A, float* nocapture %B) nounwind uwtable ssp {
%1 = icmp sgt i32 %n, 9