| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -O0 -mtriple=mipsel-linux-gnu -global-isel -verify-machineinstrs %s -o -| FileCheck %s -check-prefixes=MIPS32 |
| ; RUN: llc -O0 -mtriple=mipsel-linux-gnu -global-isel -mattr=+mips32r2 -verify-machineinstrs %s -o -| FileCheck %s -check-prefixes=MIPS32R2 |
| |
| declare i32 @llvm.bswap.i32(i32) |
| define i32 @bswap_i32(i32 %x) { |
| ; MIPS32-LABEL: bswap_i32: |
| ; MIPS32: # %bb.0: # %entry |
| ; MIPS32-NEXT: sll $2, $4, 24 |
| ; MIPS32-NEXT: srl $1, $4, 24 |
| ; MIPS32-NEXT: or $1, $1, $2 |
| ; MIPS32-NEXT: andi $2, $4, 65280 |
| ; MIPS32-NEXT: sll $2, $2, 8 |
| ; MIPS32-NEXT: or $1, $1, $2 |
| ; MIPS32-NEXT: srl $2, $4, 8 |
| ; MIPS32-NEXT: andi $2, $2, 65280 |
| ; MIPS32-NEXT: or $2, $1, $2 |
| ; MIPS32-NEXT: jr $ra |
| ; MIPS32-NEXT: nop |
| ; |
| ; MIPS32R2-LABEL: bswap_i32: |
| ; MIPS32R2: # %bb.0: # %entry |
| ; MIPS32R2-NEXT: wsbh $1, $4 |
| ; MIPS32R2-NEXT: rotr $2, $1, 16 |
| ; MIPS32R2-NEXT: jr $ra |
| ; MIPS32R2-NEXT: nop |
| entry: |
| %0 = tail call i32 @llvm.bswap.i32(i32 %x) |
| ret i32 %0 |
| } |
| |
| declare i64 @llvm.bswap.i64(i64) |
| define i64 @bswap_i64(i64 %x) { |
| ; MIPS32-LABEL: bswap_i64: |
| ; MIPS32: # %bb.0: # %entry |
| ; MIPS32-NEXT: sll $2, $5, 24 |
| ; MIPS32-NEXT: srl $1, $5, 24 |
| ; MIPS32-NEXT: or $1, $1, $2 |
| ; MIPS32-NEXT: andi $2, $5, 65280 |
| ; MIPS32-NEXT: sll $2, $2, 8 |
| ; MIPS32-NEXT: or $1, $1, $2 |
| ; MIPS32-NEXT: srl $2, $5, 8 |
| ; MIPS32-NEXT: andi $2, $2, 65280 |
| ; MIPS32-NEXT: or $2, $1, $2 |
| ; MIPS32-NEXT: sll $3, $4, 24 |
| ; MIPS32-NEXT: srl $1, $4, 24 |
| ; MIPS32-NEXT: or $1, $1, $3 |
| ; MIPS32-NEXT: andi $3, $4, 65280 |
| ; MIPS32-NEXT: sll $3, $3, 8 |
| ; MIPS32-NEXT: or $1, $1, $3 |
| ; MIPS32-NEXT: srl $3, $4, 8 |
| ; MIPS32-NEXT: andi $3, $3, 65280 |
| ; MIPS32-NEXT: or $3, $1, $3 |
| ; MIPS32-NEXT: jr $ra |
| ; MIPS32-NEXT: nop |
| ; |
| ; MIPS32R2-LABEL: bswap_i64: |
| ; MIPS32R2: # %bb.0: # %entry |
| ; MIPS32R2-NEXT: wsbh $1, $5 |
| ; MIPS32R2-NEXT: rotr $2, $1, 16 |
| ; MIPS32R2-NEXT: wsbh $1, $4 |
| ; MIPS32R2-NEXT: rotr $3, $1, 16 |
| ; MIPS32R2-NEXT: jr $ra |
| ; MIPS32R2-NEXT: nop |
| entry: |
| %0 = tail call i64 @llvm.bswap.i64(i64 %x) |
| ret i64 %0 |
| } |