llvm-project/llvm/test/CodeGen/Generic/bswap.ll

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; tests lowering of vector bswap
; RUN: lli -force-interpreter %s | FileCheck %s
; CHECK: 0x100
; CHECK: 0x10000
; CHECK: 0x1001000000000000
; CHECK: 0x100
; CHECK: 0x10000
; CHECK: 0x1001000000000000
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
declare i16 @llvm.bswap.i16(i16);
declare i32 @llvm.bswap.i32(i32);
declare i64 @llvm.bswap.i64(i64);
declare <4 x i16> @llvm.bswap.v4i16(<4 x i16>);
declare <4 x i32> @llvm.bswap.v4i32(<4 x i32>);
declare <4 x i64> @llvm.bswap.v4i64(<4 x i64>);
declare i32 @printf(i8* nocapture readonly, ...);
@.str = private unnamed_addr constant [5 x i8] c"%#x\0A\00", align 1
@.strs = private unnamed_addr constant [6 x i8] c"%#hx\0A\00", align 1
@.strl = private unnamed_addr constant [6 x i8] c"%#lx\0A\00", align 1
define i32 @main() local_unnamed_addr {
%ra = tail call i16 @llvm.bswap.i16(i16 1)
%pa = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.strs, i64 0, i64 0), i16 %ra)
%rb = tail call i32 @llvm.bswap.i32(i32 256)
%pb = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %rb)
%rc = tail call i64 @llvm.bswap.i64(i64 272)
%pc = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.strl, i64 0, i64 0), i64 %rc)
%r0 = tail call <4 x i16> @llvm.bswap.v4i16(<4 x i16> <i16 1, i16 1, i16 1, i16 1>)
%e0 = extractelement <4 x i16> %r0, i8 0
%p0 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.strs, i64 0, i64 0), i16 %e0)
%r1 = tail call <4 x i32> @llvm.bswap.v4i32(<4 x i32> <i32 256, i32 256, i32 256, i32 256>)
%e1 = extractelement <4 x i32> %r1, i8 1
%p1 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i64 0, i64 0), i32 %e1)
%r2 = tail call <4 x i64> @llvm.bswap.v4i64(<4 x i64> <i64 272, i64 272, i64 272, i64 272>)
%e2 = extractelement <4 x i64> %r2, i8 2
%p2 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.strl, i64 0, i64 0), i64 %e2)
ret i32 0
}