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f7131068ce
Summary: We are not scalarizing the wide selects in codegen for i16 and i32 and therefore we can remove the amortization factor. We still have issues with i64 vectors in codegen though. Reviewers: mcrosier Subscribers: mcrosier, aemerson, llvm-commits, rengolin Differential Revision: http://reviews.llvm.org/D12724 llvm-svn: 247156
39 lines
1.5 KiB
LLVM
39 lines
1.5 KiB
LLVM
; RUN: opt < %s -cost-model -analyze -mtriple=arm64-apple-ios -mcpu=cyclone | FileCheck %s
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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"
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; CHECK-LABEL: select
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define void @select() {
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; Scalar values
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; CHECK: cost of 1 {{.*}} select
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%v1 = select i1 undef, i8 undef, i8 undef
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; CHECK: cost of 1 {{.*}} select
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%v2 = select i1 undef, i16 undef, i16 undef
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; CHECK: cost of 1 {{.*}} select
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%v3 = select i1 undef, i32 undef, i32 undef
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; CHECK: cost of 1 {{.*}} select
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%v4 = select i1 undef, i64 undef, i64 undef
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; CHECK: cost of 1 {{.*}} select
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%v5 = select i1 undef, float undef, float undef
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; CHECK: cost of 1 {{.*}} select
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%v6 = select i1 undef, double undef, double undef
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; CHECK: cost of 16 {{.*}} select
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%v13b = select <16 x i1> undef, <16 x i16> undef, <16 x i16> undef
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; CHECK: cost of 8 {{.*}} select
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%v15b = select <8 x i1> undef, <8 x i32> undef, <8 x i32> undef
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; CHECK: cost of 16 {{.*}} select
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%v15c = select <16 x i1> undef, <16 x i32> undef, <16 x i32> undef
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; Vector values - check for vectors of i64s that have a high cost because
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; they end up scalarized.
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; CHECK: cost of 80 {{.*}} select
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%v16a = select <4 x i1> undef, <4 x i64> undef, <4 x i64> undef
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; CHECK: cost of 160 {{.*}} select
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%v16b = select <8 x i1> undef, <8 x i64> undef, <8 x i64> undef
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; CHECK: cost of 320 {{.*}} select
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%v16c = select <16 x i1> undef, <16 x i64> undef, <16 x i64> undef
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ret void
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}
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