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27d85c0d16
Since there is no instruction for integer vector division, factor in the cost of singling out each element to be used with the scalar division instruction. Differential revision: https://reviews.llvm.org/D43974 llvm-svn: 326955
39 lines
1.3 KiB
LLVM
39 lines
1.3 KiB
LLVM
; RUN: opt -cost-model -analyze -mtriple=aarch64--linux-gnu < %s | FileCheck %s
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; Verify the cost of integer division instructions.
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define i32 @sdivs1i32(i32 %a, i32 %b) {
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; CHECK-LABEL: 'Cost Model Analysis' for function 'sdivs1i32':
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; CHECK: Found an estimated cost of 1 for instruction: %c = sdiv i32 %a, %b
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%c = sdiv i32 %a, %b
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ret i32 %c
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}
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define i64 @sdivs1i64(i64 %a, i64 %b) {
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; CHECK-LABEL: 'Cost Model Analysis' for function 'sdivs1i64':
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; CHECK: Found an estimated cost of 1 for instruction: %c = sdiv i64 %a, %b
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%c = sdiv i64 %a, %b
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ret i64 %c
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}
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define <2 x i32> @sdivv2i32(<2 x i32> %a, <2 x i32> %b) {
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; CHECK-LABEL: 'Cost Model Analysis' for function 'sdivv2i32':
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; CHECK: Found an estimated cost of 24 for instruction: %c = sdiv <2 x i32> %a, %b
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%c = sdiv <2 x i32> %a, %b
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ret <2 x i32> %c
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}
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define <2 x i64> @sdivv2i64(<2 x i64> %a, <2 x i64> %b) {
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; CHECK-LABEL: 'Cost Model Analysis' for function 'sdivv2i64':
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; CHECK: Found an estimated cost of 24 for instruction: %c = sdiv <2 x i64> %a, %b
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%c = sdiv <2 x i64> %a, %b
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ret <2 x i64> %c
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}
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define <4 x i32> @sdivv4i32(<4 x i32> %a, <4 x i32> %b) {
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; CHECK-LABEL: 'Cost Model Analysis' for function 'sdivv4i32':
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; CHECK: Found an estimated cost of 52 for instruction: %c = sdiv <4 x i32> %a, %b
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%c = sdiv <4 x i32> %a, %b
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ret <4 x i32> %c
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}
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