295 lines
19 KiB
LLVM
295 lines
19 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
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; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output | FileCheck %s --check-prefixes=ALL,X64
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; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -mattr=+movbe | FileCheck %s --check-prefixes=ALL,X64-MOVBE
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; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -mattr=+movbe,+fast-movbe | FileCheck %s --check-prefixes=ALL,X64-FASTMOVBE
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; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output | FileCheck %s --check-prefixes=ALL,X32
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; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -mattr=+movbe | FileCheck %s --check-prefixes=ALL,X32-MOVBE
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; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -mattr=+movbe,+fast-movbe | FileCheck %s --check-prefixes=ALL,X32-FASTMOVBE
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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 i128 @llvm.bswap.i128(i128)
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define i16 @var_load_bswap_i16(ptr %src) {
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; X64-LABEL: 'var_load_bswap_i16'
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; X64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i16, ptr %src, align 1
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; X64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i16 @llvm.bswap.i16(i16 %a)
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; X64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i16 %bswap
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;
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; X64-MOVBE-LABEL: 'var_load_bswap_i16'
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i16, ptr %src, align 1
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i16 @llvm.bswap.i16(i16 %a)
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i16 %bswap
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;
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; X64-FASTMOVBE-LABEL: 'var_load_bswap_i16'
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i16, ptr %src, align 1
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %bswap = call i16 @llvm.bswap.i16(i16 %a)
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i16 %bswap
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;
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; X32-LABEL: 'var_load_bswap_i16'
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; X32-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i16, ptr %src, align 1
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; X32-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i16 @llvm.bswap.i16(i16 %a)
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; X32-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i16 %bswap
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;
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; X32-MOVBE-LABEL: 'var_load_bswap_i16'
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i16, ptr %src, align 1
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i16 @llvm.bswap.i16(i16 %a)
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i16 %bswap
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;
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; X32-FASTMOVBE-LABEL: 'var_load_bswap_i16'
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i16, ptr %src, align 1
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %bswap = call i16 @llvm.bswap.i16(i16 %a)
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i16 %bswap
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;
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%a = load i16, ptr %src, align 1
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%bswap = call i16 @llvm.bswap.i16(i16 %a)
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ret i16 %bswap
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}
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define i16 @var_load_bswap_i16_extrause(ptr %src, ptr %clobberdst) {
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; ALL-LABEL: 'var_load_bswap_i16_extrause'
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; ALL-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i16, ptr %src, align 1
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; ALL-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i16 @llvm.bswap.i16(i16 %a)
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; ALL-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a2 = shl i16 %a, 2
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; ALL-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store i16 %a2, ptr %clobberdst, align 1
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; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i16 %bswap
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;
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%a = load i16, ptr %src, align 1
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%bswap = call i16 @llvm.bswap.i16(i16 %a)
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%a2 = shl i16 %a, 2 ; incur an extra use to the load
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store i16 %a2, ptr %clobberdst, align 1
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ret i16 %bswap
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}
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define i32 @var_load_bswap_i32(ptr %src) {
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; X64-LABEL: 'var_load_bswap_i32'
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; X64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i32, ptr %src, align 1
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; X64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i32 @llvm.bswap.i32(i32 %a)
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; X64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %bswap
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;
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; X64-MOVBE-LABEL: 'var_load_bswap_i32'
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i32, ptr %src, align 1
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i32 @llvm.bswap.i32(i32 %a)
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %bswap
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;
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; X64-FASTMOVBE-LABEL: 'var_load_bswap_i32'
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i32, ptr %src, align 1
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %bswap = call i32 @llvm.bswap.i32(i32 %a)
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %bswap
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;
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; X32-LABEL: 'var_load_bswap_i32'
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; X32-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i32, ptr %src, align 1
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; X32-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i32 @llvm.bswap.i32(i32 %a)
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; X32-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %bswap
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;
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; X32-MOVBE-LABEL: 'var_load_bswap_i32'
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i32, ptr %src, align 1
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i32 @llvm.bswap.i32(i32 %a)
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %bswap
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;
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; X32-FASTMOVBE-LABEL: 'var_load_bswap_i32'
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i32, ptr %src, align 1
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %bswap = call i32 @llvm.bswap.i32(i32 %a)
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %bswap
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;
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%a = load i32, ptr %src, align 1
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%bswap = call i32 @llvm.bswap.i32(i32 %a)
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ret i32 %bswap
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}
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define i32 @var_load_bswap_i32_extrause(ptr %src, ptr %clobberdst) {
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; ALL-LABEL: 'var_load_bswap_i32_extrause'
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; ALL-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i32, ptr %src, align 1
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; ALL-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i32 @llvm.bswap.i32(i32 %a)
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; ALL-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a2 = shl i32 %a, 2
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; ALL-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store i32 %a2, ptr %clobberdst, align 1
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; ALL-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 %bswap
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;
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%a = load i32, ptr %src, align 1
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%bswap = call i32 @llvm.bswap.i32(i32 %a)
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%a2 = shl i32 %a, 2 ; incur an extra use to the load
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store i32 %a2, ptr %clobberdst, align 1
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ret i32 %bswap
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}
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define i64 @var_load_bswap_i64(ptr %src) {
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; X64-LABEL: 'var_load_bswap_i64'
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; X64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i64, ptr %src, align 1
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; X64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
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; X64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i64 %bswap
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;
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; X64-MOVBE-LABEL: 'var_load_bswap_i64'
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i64, ptr %src, align 1
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i64 %bswap
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;
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; X64-FASTMOVBE-LABEL: 'var_load_bswap_i64'
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i64, ptr %src, align 1
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i64 %bswap
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;
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; X32-LABEL: 'var_load_bswap_i64'
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; X32-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a = load i64, ptr %src, align 1
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; X32-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
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; X32-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i64 %bswap
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;
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; X32-MOVBE-LABEL: 'var_load_bswap_i64'
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a = load i64, ptr %src, align 1
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i64 %bswap
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;
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; X32-FASTMOVBE-LABEL: 'var_load_bswap_i64'
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a = load i64, ptr %src, align 1
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i64 %bswap
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;
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%a = load i64, ptr %src, align 1
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%bswap = call i64 @llvm.bswap.i64(i64 %a)
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ret i64 %bswap
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}
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define i64 @var_load_bswap_i64_extrause(ptr %src, ptr %clobberdst) {
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; X64-LABEL: 'var_load_bswap_i64_extrause'
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; X64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i64, ptr %src, align 1
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; X64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
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; X64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a2 = shl i64 %a, 2
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; X64-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store i64 %a2, ptr %clobberdst, align 1
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; X64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i64 %bswap
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;
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; X64-MOVBE-LABEL: 'var_load_bswap_i64_extrause'
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i64, ptr %src, align 1
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a2 = shl i64 %a, 2
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store i64 %a2, ptr %clobberdst, align 1
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i64 %bswap
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;
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; X64-FASTMOVBE-LABEL: 'var_load_bswap_i64_extrause'
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a = load i64, ptr %src, align 1
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %a2 = shl i64 %a, 2
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: store i64 %a2, ptr %clobberdst, align 1
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i64 %bswap
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;
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; X32-LABEL: 'var_load_bswap_i64_extrause'
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; X32-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a = load i64, ptr %src, align 1
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; X32-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
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; X32-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a2 = shl i64 %a, 2
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; X32-NEXT: Cost Model: Found an estimated cost of 2 for instruction: store i64 %a2, ptr %clobberdst, align 1
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; X32-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i64 %bswap
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;
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; X32-MOVBE-LABEL: 'var_load_bswap_i64_extrause'
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a = load i64, ptr %src, align 1
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a2 = shl i64 %a, 2
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: store i64 %a2, ptr %clobberdst, align 1
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i64 %bswap
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;
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; X32-FASTMOVBE-LABEL: 'var_load_bswap_i64_extrause'
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a = load i64, ptr %src, align 1
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i64 @llvm.bswap.i64(i64 %a)
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a2 = shl i64 %a, 2
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: store i64 %a2, ptr %clobberdst, align 1
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i64 %bswap
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;
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%a = load i64, ptr %src, align 1
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%bswap = call i64 @llvm.bswap.i64(i64 %a)
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%a2 = shl i64 %a, 2 ; incur an extra use to the load
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store i64 %a2, ptr %clobberdst, align 1
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ret i64 %bswap
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}
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define i128 @var_load_bswap_i128(ptr %src) {
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; X64-LABEL: 'var_load_bswap_i128'
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; X64-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a = load i128, ptr %src, align 1
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; X64-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
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; X64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i128 %bswap
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;
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; X64-MOVBE-LABEL: 'var_load_bswap_i128'
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a = load i128, ptr %src, align 1
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i128 %bswap
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;
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; X64-FASTMOVBE-LABEL: 'var_load_bswap_i128'
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a = load i128, ptr %src, align 1
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i128 %bswap
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;
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; X32-LABEL: 'var_load_bswap_i128'
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; X32-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %a = load i128, ptr %src, align 1
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; X32-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
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; X32-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i128 %bswap
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;
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; X32-MOVBE-LABEL: 'var_load_bswap_i128'
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %a = load i128, ptr %src, align 1
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i128 %bswap
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;
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; X32-FASTMOVBE-LABEL: 'var_load_bswap_i128'
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %a = load i128, ptr %src, align 1
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i128 %bswap
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;
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%a = load i128, ptr %src, align 1
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%bswap = call i128 @llvm.bswap.i128(i128 %a)
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ret i128 %bswap
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}
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define i128 @var_load_bswap_i128_extrause(ptr %src, ptr %clobberdst) {
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; X64-LABEL: 'var_load_bswap_i128_extrause'
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; X64-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a = load i128, ptr %src, align 1
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; X64-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
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; X64-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a2 = shl i128 %a, 2
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; X64-NEXT: Cost Model: Found an estimated cost of 2 for instruction: store i128 %a2, ptr %clobberdst, align 1
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; X64-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i128 %bswap
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;
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; X64-MOVBE-LABEL: 'var_load_bswap_i128_extrause'
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a = load i128, ptr %src, align 1
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a2 = shl i128 %a, 2
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: store i128 %a2, ptr %clobberdst, align 1
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; X64-MOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i128 %bswap
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;
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; X64-FASTMOVBE-LABEL: 'var_load_bswap_i128_extrause'
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a = load i128, ptr %src, align 1
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %a2 = shl i128 %a, 2
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: store i128 %a2, ptr %clobberdst, align 1
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; X64-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i128 %bswap
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;
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; X32-LABEL: 'var_load_bswap_i128_extrause'
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; X32-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %a = load i128, ptr %src, align 1
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; X32-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
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; X32-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %a2 = shl i128 %a, 2
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; X32-NEXT: Cost Model: Found an estimated cost of 4 for instruction: store i128 %a2, ptr %clobberdst, align 1
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; X32-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i128 %bswap
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;
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; X32-MOVBE-LABEL: 'var_load_bswap_i128_extrause'
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %a = load i128, ptr %src, align 1
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %a2 = shl i128 %a, 2
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: store i128 %a2, ptr %clobberdst, align 1
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; X32-MOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i128 %bswap
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;
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; X32-FASTMOVBE-LABEL: 'var_load_bswap_i128_extrause'
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %a = load i128, ptr %src, align 1
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %bswap = call i128 @llvm.bswap.i128(i128 %a)
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %a2 = shl i128 %a, 2
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: store i128 %a2, ptr %clobberdst, align 1
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; X32-FASTMOVBE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i128 %bswap
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;
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%a = load i128, ptr %src, align 1
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%bswap = call i128 @llvm.bswap.i128(i128 %a)
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%a2 = shl i128 %a, 2 ; incur an extra use to the load
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store i128 %a2, ptr %clobberdst, align 1
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ret i128 %bswap
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}
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