; RUN: opt < %s -passes="print<cost-model>" 2>&1 -disable-output -mtriple=systemz-unknown -mcpu=z13 \
; RUN: | FileCheck %s -check-prefix=COST
; Check that all divide/remainder instructions are implemented by cheaper instructions.
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 -o - | FileCheck %s
; CHECK-NOT: dsg
; CHECK-NOT: dl
; Check costs of divisions/remainders by a vector of constants that is *not*
; a power of two. A sequence containing a multiply and shifts will replace
; the divide instruction.
; Scalar sdiv
define i64 @fun0(i64 %a) {
%r = sdiv i64 %a, 20
ret i64 %r
; COST: Cost Model: Found an estimated cost of 10 for instruction: %r = sdiv i64 %a, 20
}
define i32 @fun1(i32 %a) {
%r = sdiv i32 %a, 20
ret i32 %r
; COST: Cost Model: Found an estimated cost of 10 for instruction: %r = sdiv i32 %a, 20
}
define i16 @fun2(i16 %a) {
%r = sdiv i16 %a, 20
ret i16 %r
; COST: Cost Model: Found an estimated cost of 10 for instruction: %r = sdiv i16 %a, 20
}
define i8 @fun3(i8 %a) {
%r = sdiv i8 %a, 20
ret i8 %r
; COST: Cost Model: Found an estimated cost of 10 for instruction: %r = sdiv i8 %a, 20
}
; Vector sdiv
define <2 x i64> @fun4(<2 x i64> %a) {
%r = sdiv <2 x i64> %a, <i64 20, i64 21>
ret <2 x i64> %r
; COST: Cost Model: Found an estimated cost of 24 for instruction: %r = sdiv <2 x i64>
}
define <4 x i32> @fun5(<4 x i32> %a) {
%r = sdiv <4 x i32> %a, <i32 20, i32 20, i32 20, i32 20>
ret <4 x i32> %r
; COST: Cost Model: Found an estimated cost of 49 for instruction: %r = sdiv <4 x i32>
}
define <2 x i32> @fun6(<2 x i32> %a) {
%r = sdiv <2 x i32> %a, <i32 20, i32 21>
ret <2 x i32> %r
; COST: Cost Model: Found an estimated cost of 25 for instruction: %r = sdiv <2 x i32>
}
define <8 x i16> @fun7(<8 x i16> %a) {
%r = sdiv <8 x i16> %a, <i16 20, i16 20, i16 20, i16 20, i16 20, i16 20, i16 20, i16 20>
ret <8 x i16> %r
; COST: Cost Model: Found an estimated cost of 97 for instruction: %r = sdiv <8 x i16>
}
define <4 x i16> @fun8(<4 x i16> %a) {
%r = sdiv <4 x i16> %a, <i16 20, i16 20, i16 20, i16 21>
ret <4 x i16> %r
; COST: Cost Model: Found an estimated cost of 49 for instruction: %r = sdiv <4 x i16>
}
define <16 x i8> @fun9(<16 x i8> %a) {
%r = sdiv <16 x i8> %a, <i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20>
ret <16 x i8> %r
; COST: Cost Model: Found an estimated cost of 193 for instruction: %r = sdiv <16 x i8>
}
define <8 x i8> @fun10(<8 x i8> %a) {
%r = sdiv <8 x i8> %a, <i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 21>
ret <8 x i8> %r
; COST: Cost Model: Found an estimated cost of 97 for instruction: %r = sdiv <8 x i8>
}
; Scalar udiv
define i64 @fun11(i64 %a) {
%r = udiv i64 %a, 20
ret i64 %r
; COST: Cost Model: Found an estimated cost of 10 for instruction: %r = udiv i64 %a, 20
}
define i32 @fun12(i32 %a) {
%r = udiv i32 %a, 20
ret i32 %r
; COST: Cost Model: Found an estimated cost of 10 for instruction: %r = udiv i32 %a, 20
}
define i16 @fun13(i16 %a) {
%r = udiv i16 %a, 20
ret i16 %r
; COST: Cost Model: Found an estimated cost of 10 for instruction: %r = udiv i16 %a, 20
}
define i8 @fun14(i8 %a) {
%r = udiv i8 %a, 20
ret i8 %r
; COST: Cost Model: Found an estimated cost of 10 for instruction: %r = udiv i8
}
; Vector udiv
define <2 x i64> @fun15(<2 x i64> %a) {
%r = udiv <2 x i64> %a, <i64 20, i64 20>
ret <2 x i64> %r
; COST: Cost Model: Found an estimated cost of 24 for instruction: %r = udiv <2 x i64>
}
define <4 x i32> @fun16(<4 x i32> %a) {
%r = udiv <4 x i32> %a, <i32 20, i32 20, i32 20, i32 21>
ret <4 x i32> %r
; COST: Cost Model: Found an estimated cost of 49 for instruction: %r = udiv <4 x i32>
}
define <2 x i32> @fun17(<2 x i32> %a) {
%r = udiv <2 x i32> %a, <i32 20, i32 20>
ret <2 x i32> %r
; COST: Cost Model: Found an estimated cost of 25 for instruction: %r = udiv <2 x i32>
}
define <8 x i16> @fun18(<8 x i16> %a) {
%r = udiv <8 x i16> %a, <i16 20, i16 20, i16 20, i16 20, i16 20, i16 20, i16 20, i16 21>
ret <8 x i16> %r
; COST: Cost Model: Found an estimated cost of 97 for instruction: %r = udiv <8 x i16>
}
define <4 x i16> @fun19(<4 x i16> %a) {
%r = udiv <4 x i16> %a, <i16 20, i16 20, i16 20, i16 20>
ret <4 x i16> %r
; COST: Cost Model: Found an estimated cost of 49 for instruction: %r = udiv <4 x i16>
}
define <16 x i8> @fun20(<16 x i8> %a) {
%r = udiv <16 x i8> %a, <i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 21>
ret <16 x i8> %r
; COST: Cost Model: Found an estimated cost of 193 for instruction: %r = udiv <16 x i8>
}
define <8 x i8> @fun21(<8 x i8> %a) {
%r = udiv <8 x i8> %a, <i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20>
ret <8 x i8> %r
; COST: Cost Model: Found an estimated cost of 97 for instruction: %r = udiv <8 x i8>
}
; Scalar srem
define i64 @fun22(i64 %a) {
%r = srem i64 %a, 20
ret i64 %r
; COST: Cost Model: Found an estimated cost of 10 for instruction: %r = srem i64
}
define i32 @fun23(i32 %a) {
%r = srem i32 %a, 20
ret i32 %r
; COST: Cost Model: Found an estimated cost of 10 for instruction: %r = srem i32
}
define i16 @fun24(i16 %a) {
%r = srem i16 %a, 20
ret i16 %r
; COST: Cost Model: Found an estimated cost of 10 for instruction: %r = srem i16
}
define i8 @fun25(i8 %a) {
%r = srem i8 %a, 20
ret i8 %r
; COST: Cost Model: Found an estimated cost of 10 for instruction: %r = srem i8
}
; Vector srem
define <2 x i64> @fun26(<2 x i64> %a) {
%r = srem <2 x i64> %a, <i64 20, i64 21>
ret <2 x i64> %r
; COST: Cost Model: Found an estimated cost of 24 for instruction: %r = srem <2 x i64>
}
define <4 x i32> @fun27(<4 x i32> %a) {
%r = srem <4 x i32> %a, <i32 20, i32 20, i32 20, i32 20>
ret <4 x i32> %r
; COST: Cost Model: Found an estimated cost of 49 for instruction: %r = srem <4 x i32>
}
define <2 x i32> @fun28(<2 x i32> %a) {
%r = srem <2 x i32> %a, <i32 20, i32 21>
ret <2 x i32> %r
; COST: Cost Model: Found an estimated cost of 25 for instruction: %r = srem <2 x i32>
}
define <8 x i16> @fun29(<8 x i16> %a) {
%r = srem <8 x i16> %a, <i16 20, i16 20, i16 20, i16 20, i16 20, i16 20, i16 20, i16 20>
ret <8 x i16> %r
; COST: Cost Model: Found an estimated cost of 97 for instruction: %r = srem <8 x i16>
}
define <4 x i16> @fun30(<4 x i16> %a) {
%r = srem <4 x i16> %a, <i16 20, i16 20, i16 20, i16 21>
ret <4 x i16> %r
; COST: Cost Model: Found an estimated cost of 49 for instruction: %r = srem <4 x i16>
}
define <16 x i8> @fun31(<16 x i8> %a) {
%r = srem <16 x i8> %a, <i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20>
ret <16 x i8> %r
; COST: Cost Model: Found an estimated cost of 193 for instruction: %r = srem <16 x i8>
}
define <8 x i8> @fun32(<8 x i8> %a) {
%r = srem <8 x i8> %a, <i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 21>
ret <8 x i8> %r
; COST: Cost Model: Found an estimated cost of 97 for instruction: %r = srem <8 x i8>
}
; Scalar urem
define i64 @fun33(i64 %a) {
%r = urem i64 %a, 20
ret i64 %r
; COST: Cost Model: Found an estimated cost of 10 for instruction: %r = urem i64
}
define i32 @fun34(i32 %a) {
%r = urem i32 %a, 20
ret i32 %r
; COST: Cost Model: Found an estimated cost of 10 for instruction: %r = urem i32
}
define i16 @fun35(i16 %a) {
%r = urem i16 %a, 20
ret i16 %r
; COST: Cost Model: Found an estimated cost of 10 for instruction: %r = urem i16
}
define i8 @fun36(i8 %a) {
%r = urem i8 %a, 20
ret i8 %r
; COST: Cost Model: Found an estimated cost of 10 for instruction: %r = urem i8
}
; Vector urem
define <2 x i64> @fun37(<2 x i64> %a) {
%r = urem <2 x i64> %a, <i64 20, i64 20>
ret <2 x i64> %r
; COST: Cost Model: Found an estimated cost of 24 for instruction: %r = urem <2 x i64>
}
define <4 x i32> @fun38(<4 x i32> %a) {
%r = urem <4 x i32> %a, <i32 20, i32 20, i32 20, i32 21>
ret <4 x i32> %r
; COST: Cost Model: Found an estimated cost of 49 for instruction: %r = urem <4 x i32>
}
define <2 x i32> @fun39(<2 x i32> %a) {
%r = urem <2 x i32> %a, <i32 20, i32 20>
ret <2 x i32> %r
; COST: Cost Model: Found an estimated cost of 25 for instruction: %r = urem <2 x i32>
}
define <8 x i16> @fun40(<8 x i16> %a) {
%r = urem <8 x i16> %a, <i16 20, i16 20, i16 20, i16 20, i16 20, i16 20, i16 20, i16 21>
ret <8 x i16> %r
; COST: Cost Model: Found an estimated cost of 97 for instruction: %r = urem <8 x i16>
}
define <4 x i16> @fun41(<4 x i16> %a) {
%r = urem <4 x i16> %a, <i16 20, i16 20, i16 20, i16 20>
ret <4 x i16> %r
; COST: Cost Model: Found an estimated cost of 49 for instruction: %r = urem <4 x i16>
}
define <16 x i8> @fun42(<16 x i8> %a) {
%r = urem <16 x i8> %a, <i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 21>
ret <16 x i8> %r
; COST: Cost Model: Found an estimated cost of 193 for instruction: %r = urem <16 x i8>
}
define <8 x i8> @fun43(<8 x i8> %a) {
%r = urem <8 x i8> %a, <i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20, i8 20>
ret <8 x i8> %r
; COST: Cost Model: Found an estimated cost of 97 for instruction: %r = urem <8 x i8>
}
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