From 2d1528b3584ad85f2674f7db14b6ee607da678ec Mon Sep 17 00:00:00 2001 From: Nadav Rotem Date: Mon, 5 Nov 2012 22:20:53 +0000 Subject: 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 --- test/Analysis/CostModel/X86/cast.ll | 34 ++++++++++++++++++++++ .../LoopVectorize/X86/conversion-cost.ll | 4 +-- 2 files changed, 36 insertions(+), 2 deletions(-) create mode 100644 test/Analysis/CostModel/X86/cast.ll (limited to 'test') 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 -- cgit v1.2.3