diff options
| author | Nadav Rotem <nrotem@apple.com> | 2012-11-05 22:20:53 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2012-11-05 22:20:53 +0000 |
| commit | 2d1528b3584ad85f2674f7db14b6ee607da678ec (patch) | |
| tree | 9b91e1b8f151c18b011df18cdb54de2b28f5609d /test/Analysis/CostModel | |
| parent | e010eb3041c03fb9bbdc16f036ff69a3bbad6dfa (diff) | |
| download | external_llvm-2d1528b3584ad85f2674f7db14b6ee607da678ec.zip external_llvm-2d1528b3584ad85f2674f7db14b6ee607da678ec.tar.gz external_llvm-2d1528b3584ad85f2674f7db14b6ee607da678ec.tar.bz2 | |
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/Analysis/CostModel')
| -rw-r--r-- | test/Analysis/CostModel/X86/cast.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/Analysis/CostModel/X86/cast.ll b/test/Analysis/CostModel/X86/cast.ll new file mode 100644 index 0000000..f8b1114 --- /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 +} + |