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