71 lines
2.3 KiB
LLVM
71 lines
2.3 KiB
LLVM
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; RUN: opt -cost-model -analyze -mtriple=aarch64--linux-gnu < %s | FileCheck %s
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; Verify the cost of bswap instructions.
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declare i16 @llvm.bswap.i16(i16)
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declare i32 @llvm.bswap.i32(i32)
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declare i64 @llvm.bswap.i64(i64)
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declare <2 x i32> @llvm.bswap.v2i32(<2 x i32>)
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declare <4 x i16> @llvm.bswap.v4i16(<4 x i16>)
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declare <2 x i64> @llvm.bswap.v2i64(<2 x i64>)
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declare <4 x i32> @llvm.bswap.v4i32(<4 x i32>)
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declare <8 x i16> @llvm.bswap.v8i16(<8 x i16>)
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define i16 @bswap_i16(i16 %a) {
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; CHECK: 'Cost Model Analysis' for function 'bswap_i16':
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; CHECK: Found an estimated cost of 1 for instruction: %bswap
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%bswap = tail call i16 @llvm.bswap.i16(i16 %a)
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ret i16 %bswap
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}
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define i32 @bswap_i32(i32 %a) {
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; CHECK: 'Cost Model Analysis' for function 'bswap_i32':
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; CHECK: Found an estimated cost of 1 for instruction: %bswap
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%bswap = tail call i32 @llvm.bswap.i32(i32 %a)
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ret i32 %bswap
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}
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define i64 @bswap_i64(i64 %a) {
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; CHECK: 'Cost Model Analysis' for function 'bswap_i64':
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; CHECK: Found an estimated cost of 1 for instruction: %bswap
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%bswap = tail call i64 @llvm.bswap.i64(i64 %a)
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ret i64 %bswap
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}
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define <2 x i32> @bswap_v2i32(<2 x i32> %a) {
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; CHECK: 'Cost Model Analysis' for function 'bswap_v2i32':
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; CHECK: Found an estimated cost of 8 for instruction: %bswap
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%bswap = call <2 x i32> @llvm.bswap.v2i32(<2 x i32> %a)
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ret <2 x i32> %bswap
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}
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define <4 x i16> @bswap_v4i16(<4 x i16> %a) {
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; CHECK: 'Cost Model Analysis' for function 'bswap_v4i16':
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; CHECK: Found an estimated cost of 22 for instruction: %bswap
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%bswap = call <4 x i16> @llvm.bswap.v4i16(<4 x i16> %a)
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ret <4 x i16> %bswap
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}
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define <2 x i64> @bswap_v2i64(<2 x i64> %a) {
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; CHECK: 'Cost Model Analysis' for function 'bswap_v2i64':
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; CHECK: Found an estimated cost of 8 for instruction: %bswap
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%bswap = call <2 x i64> @llvm.bswap.v2i64(<2 x i64> %a)
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ret <2 x i64> %bswap
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}
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define <4 x i32> @bswap_v4i32(<4 x i32> %a) {
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; CHECK: 'Cost Model Analysis' for function 'bswap_v4i32':
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; CHECK: Found an estimated cost of 22 for instruction: %bswap
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%bswap = call <4 x i32> @llvm.bswap.v4i32(<4 x i32> %a)
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ret <4 x i32> %bswap
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}
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define <8 x i16> @bswap_v8i16(<8 x i16> %a) {
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; CHECK: 'Cost Model Analysis' for function 'bswap_v8i16':
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; CHECK: Found an estimated cost of 50 for instruction: %bswap
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%bswap = call <8 x i16> @llvm.bswap.v8i16(<8 x i16> %a)
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ret <8 x i16> %bswap
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}
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