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llvm-project/llvm/test/Analysis/CostModel/ARM/reduce-smax.ll
Matt Arsenault 47d831f2c9
TTI: Check legalization cost of min/max ISD nodes (#100514) 
Instead of counting the cost of the assumed expansion.

The AMDGPU costs for the i64 case look too high to me.

Preserve default expansion logic
2024-08-08 17:06:11 +04:00

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LLVM
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; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=thumbv8m.main < %s | FileCheck %s --check-prefix=V8M
; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=armv8a-linux-gnueabihf < %s | FileCheck %s --check-prefix=NEON
; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=armv8.1m.main -mattr=+mve < %s | FileCheck %s --check-prefix=MVE
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
define i32 @reduce_i64(i32 %arg) {
; V8M-LABEL: 'reduce_i64'
; V8M-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V1 = call i64 @llvm.vector.reduce.smax.v1i64(<1 x i64> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 13 for instruction: %V2 = call i64 @llvm.vector.reduce.smax.v2i64(<2 x i64> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 35 for instruction: %V4 = call i64 @llvm.vector.reduce.smax.v4i64(<4 x i64> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 79 for instruction: %V8 = call i64 @llvm.vector.reduce.smax.v8i64(<8 x i64> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 167 for instruction: %V16 = call i64 @llvm.vector.reduce.smax.v16i64(<16 x i64> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
;
; NEON-LABEL: 'reduce_i64'
; NEON-NEXT: Cost Model: Found an estimated cost of 3 for instruction: %V1 = call i64 @llvm.vector.reduce.smax.v1i64(<1 x i64> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 17 for instruction: %V2 = call i64 @llvm.vector.reduce.smax.v2i64(<2 x i64> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 31 for instruction: %V4 = call i64 @llvm.vector.reduce.smax.v4i64(<4 x i64> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 76 for instruction: %V8 = call i64 @llvm.vector.reduce.smax.v8i64(<8 x i64> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 178 for instruction: %V16 = call i64 @llvm.vector.reduce.smax.v16i64(<16 x i64> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
;
; MVE-LABEL: 'reduce_i64'
; MVE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V1 = call i64 @llvm.vector.reduce.smax.v1i64(<1 x i64> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 110 for instruction: %V2 = call i64 @llvm.vector.reduce.smax.v2i64(<2 x i64> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 212 for instruction: %V4 = call i64 @llvm.vector.reduce.smax.v4i64(<4 x i64> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 416 for instruction: %V8 = call i64 @llvm.vector.reduce.smax.v8i64(<8 x i64> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 824 for instruction: %V16 = call i64 @llvm.vector.reduce.smax.v16i64(<16 x i64> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
;
%V1 = call i64 @llvm.vector.reduce.smax.v1i64(<1 x i64> undef)
%V2 = call i64 @llvm.vector.reduce.smax.v2i64(<2 x i64> undef)
%V4 = call i64 @llvm.vector.reduce.smax.v4i64(<4 x i64> undef)
%V8 = call i64 @llvm.vector.reduce.smax.v8i64(<8 x i64> undef)
%V16 = call i64 @llvm.vector.reduce.smax.v16i64(<16 x i64> undef)
ret i32 undef
}
define i32 @reduce_i32(i32 %arg) {
; V8M-LABEL: 'reduce_i32'
; V8M-NEXT: Cost Model: Found an estimated cost of 7 for instruction: %V2 = call i32 @llvm.vector.reduce.smax.v2i32(<2 x i32> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 19 for instruction: %V4 = call i32 @llvm.vector.reduce.smax.v4i32(<4 x i32> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 43 for instruction: %V8 = call i32 @llvm.vector.reduce.smax.v8i32(<8 x i32> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 91 for instruction: %V16 = call i32 @llvm.vector.reduce.smax.v16i32(<16 x i32> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 187 for instruction: %V32 = call i32 @llvm.vector.reduce.smax.v32i32(<32 x i32> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
;
; NEON-LABEL: 'reduce_i32'
; NEON-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %V2 = call i32 @llvm.vector.reduce.smax.v2i32(<2 x i32> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V4 = call i32 @llvm.vector.reduce.smax.v4i32(<4 x i32> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V8 = call i32 @llvm.vector.reduce.smax.v8i32(<8 x i32> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %V16 = call i32 @llvm.vector.reduce.smax.v16i32(<16 x i32> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 32 for instruction: %V32 = call i32 @llvm.vector.reduce.smax.v32i32(<32 x i32> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
;
; MVE-LABEL: 'reduce_i32'
; MVE-NEXT: Cost Model: Found an estimated cost of 58 for instruction: %V2 = call i32 @llvm.vector.reduce.smax.v2i32(<2 x i32> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V4 = call i32 @llvm.vector.reduce.smax.v4i32(<4 x i32> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V8 = call i32 @llvm.vector.reduce.smax.v8i32(<8 x i32> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %V16 = call i32 @llvm.vector.reduce.smax.v16i32(<16 x i32> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 32 for instruction: %V32 = call i32 @llvm.vector.reduce.smax.v32i32(<32 x i32> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
;
%V2 = call i32 @llvm.vector.reduce.smax.v2i32(<2 x i32> undef)
%V4 = call i32 @llvm.vector.reduce.smax.v4i32(<4 x i32> undef)
%V8 = call i32 @llvm.vector.reduce.smax.v8i32(<8 x i32> undef)
%V16 = call i32 @llvm.vector.reduce.smax.v16i32(<16 x i32> undef)
%V32 = call i32 @llvm.vector.reduce.smax.v32i32(<32 x i32> undef)
ret i32 undef
}
define i32 @reduce_i16(i32 %arg) {
; V8M-LABEL: 'reduce_i16'
; V8M-NEXT: Cost Model: Found an estimated cost of 7 for instruction: %V2 = call i16 @llvm.vector.reduce.smax.v2i16(<2 x i16> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 19 for instruction: %V4 = call i16 @llvm.vector.reduce.smax.v4i16(<4 x i16> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 43 for instruction: %V8 = call i16 @llvm.vector.reduce.smax.v8i16(<8 x i16> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 91 for instruction: %V16 = call i16 @llvm.vector.reduce.smax.v16i16(<16 x i16> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 187 for instruction: %V32 = call i16 @llvm.vector.reduce.smax.v32i16(<32 x i16> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 379 for instruction: %V64 = call i16 @llvm.vector.reduce.smax.v64i16(<64 x i16> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
;
; NEON-LABEL: 'reduce_i16'
; NEON-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %V2 = call i16 @llvm.vector.reduce.smax.v2i16(<2 x i16> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 53 for instruction: %V4 = call i16 @llvm.vector.reduce.smax.v4i16(<4 x i16> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %V8 = call i16 @llvm.vector.reduce.smax.v8i16(<8 x i16> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V16 = call i16 @llvm.vector.reduce.smax.v16i16(<16 x i16> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 24 for instruction: %V32 = call i16 @llvm.vector.reduce.smax.v32i16(<32 x i16> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 48 for instruction: %V64 = call i16 @llvm.vector.reduce.smax.v64i16(<64 x i16> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
;
; MVE-LABEL: 'reduce_i16'
; MVE-NEXT: Cost Model: Found an estimated cost of 58 for instruction: %V2 = call i16 @llvm.vector.reduce.smax.v2i16(<2 x i16> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V4 = call i16 @llvm.vector.reduce.smax.v4i16(<4 x i16> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %V8 = call i16 @llvm.vector.reduce.smax.v8i16(<8 x i16> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V16 = call i16 @llvm.vector.reduce.smax.v16i16(<16 x i16> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 24 for instruction: %V32 = call i16 @llvm.vector.reduce.smax.v32i16(<32 x i16> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 48 for instruction: %V64 = call i16 @llvm.vector.reduce.smax.v64i16(<64 x i16> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
;
%V2 = call i16 @llvm.vector.reduce.smax.v2i16(<2 x i16> undef)
%V4 = call i16 @llvm.vector.reduce.smax.v4i16(<4 x i16> undef)
%V8 = call i16 @llvm.vector.reduce.smax.v8i16(<8 x i16> undef)
%V16 = call i16 @llvm.vector.reduce.smax.v16i16(<16 x i16> undef)
%V32 = call i16 @llvm.vector.reduce.smax.v32i16(<32 x i16> undef)
%V64 = call i16 @llvm.vector.reduce.smax.v64i16(<64 x i16> undef)
ret i32 undef
}
define i32 @reduce_i8(i32 %arg) {
; V8M-LABEL: 'reduce_i8'
; V8M-NEXT: Cost Model: Found an estimated cost of 7 for instruction: %V2 = call i8 @llvm.vector.reduce.smax.v2i8(<2 x i8> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 19 for instruction: %V4 = call i8 @llvm.vector.reduce.smax.v4i8(<4 x i8> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 43 for instruction: %V8 = call i8 @llvm.vector.reduce.smax.v8i8(<8 x i8> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 91 for instruction: %V16 = call i8 @llvm.vector.reduce.smax.v16i8(<16 x i8> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 187 for instruction: %V32 = call i8 @llvm.vector.reduce.smax.v32i8(<32 x i8> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 379 for instruction: %V64 = call i8 @llvm.vector.reduce.smax.v64i8(<64 x i8> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 763 for instruction: %V128 = call i8 @llvm.vector.reduce.smax.v128i8(<128 x i8> undef)
; V8M-NEXT: Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
;
; NEON-LABEL: 'reduce_i8'
; NEON-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %V2 = call i8 @llvm.vector.reduce.smax.v2i8(<2 x i8> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 53 for instruction: %V4 = call i8 @llvm.vector.reduce.smax.v4i8(<4 x i8> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 150 for instruction: %V8 = call i8 @llvm.vector.reduce.smax.v8i8(<8 x i8> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V16 = call i8 @llvm.vector.reduce.smax.v16i8(<16 x i8> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %V32 = call i8 @llvm.vector.reduce.smax.v32i8(<32 x i8> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 32 for instruction: %V64 = call i8 @llvm.vector.reduce.smax.v64i8(<64 x i8> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 64 for instruction: %V128 = call i8 @llvm.vector.reduce.smax.v128i8(<128 x i8> undef)
; NEON-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
;
; MVE-LABEL: 'reduce_i8'
; MVE-NEXT: Cost Model: Found an estimated cost of 58 for instruction: %V2 = call i8 @llvm.vector.reduce.smax.v2i8(<2 x i8> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V4 = call i8 @llvm.vector.reduce.smax.v4i8(<4 x i8> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %V8 = call i8 @llvm.vector.reduce.smax.v8i8(<8 x i8> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V16 = call i8 @llvm.vector.reduce.smax.v16i8(<16 x i8> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 16 for instruction: %V32 = call i8 @llvm.vector.reduce.smax.v32i8(<32 x i8> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 32 for instruction: %V64 = call i8 @llvm.vector.reduce.smax.v64i8(<64 x i8> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 64 for instruction: %V128 = call i8 @llvm.vector.reduce.smax.v128i8(<128 x i8> undef)
; MVE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
;
%V2 = call i8 @llvm.vector.reduce.smax.v2i8(<2 x i8> undef)
%V4 = call i8 @llvm.vector.reduce.smax.v4i8(<4 x i8> undef)
%V8 = call i8 @llvm.vector.reduce.smax.v8i8(<8 x i8> undef)
%V16 = call i8 @llvm.vector.reduce.smax.v16i8(<16 x i8> undef)
%V32 = call i8 @llvm.vector.reduce.smax.v32i8(<32 x i8> undef)
%V64 = call i8 @llvm.vector.reduce.smax.v64i8(<64 x i8> undef)
%V128 = call i8 @llvm.vector.reduce.smax.v128i8(<128 x i8> undef)
ret i32 undef
}
declare i64 @llvm.vector.reduce.smax.v1i64(<1 x i64>)
declare i64 @llvm.vector.reduce.smax.v2i64(<2 x i64>)
declare i64 @llvm.vector.reduce.smax.v4i64(<4 x i64>)
declare i64 @llvm.vector.reduce.smax.v8i64(<8 x i64>)
declare i64 @llvm.vector.reduce.smax.v16i64(<16 x i64>)
declare i32 @llvm.vector.reduce.smax.v2i32(<2 x i32>)
declare i32 @llvm.vector.reduce.smax.v4i32(<4 x i32>)
declare i32 @llvm.vector.reduce.smax.v8i32(<8 x i32>)
declare i32 @llvm.vector.reduce.smax.v16i32(<16 x i32>)
declare i32 @llvm.vector.reduce.smax.v32i32(<32 x i32>)
declare i16 @llvm.vector.reduce.smax.v2i16(<2 x i16>)
declare i16 @llvm.vector.reduce.smax.v4i16(<4 x i16>)
declare i16 @llvm.vector.reduce.smax.v8i16(<8 x i16>)
declare i16 @llvm.vector.reduce.smax.v16i16(<16 x i16>)
declare i16 @llvm.vector.reduce.smax.v32i16(<32 x i16>)
declare i16 @llvm.vector.reduce.smax.v64i16(<64 x i16>)
declare i8 @llvm.vector.reduce.smax.v2i8(<2 x i8>)
declare i8 @llvm.vector.reduce.smax.v4i8(<4 x i8>)
declare i8 @llvm.vector.reduce.smax.v8i8(<8 x i8>)
declare i8 @llvm.vector.reduce.smax.v16i8(<16 x i8>)
declare i8 @llvm.vector.reduce.smax.v32i8(<32 x i8>)
declare i8 @llvm.vector.reduce.smax.v64i8(<64 x i8>)
declare i8 @llvm.vector.reduce.smax.v128i8(<128 x i8>)
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