54 lines
1.7 KiB
LLVM
54 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
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; RUN: llc < %s -mtriple=i686-- | FileCheck %s --check-prefix=X86
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; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s --check-prefix=X64
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define i64 @PR69965(ptr %input_ptrs, ptr %output_ptrs) {
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; X86-LABEL: PR69965:
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; X86: # %bb.0: # %entry
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; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X86-NEXT: movl (%eax), %eax
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; X86-NEXT: movzbl (%eax), %eax
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; X86-NEXT: notl %eax
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; X86-NEXT: movl %eax, %edx
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; X86-NEXT: shll $8, %edx
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; X86-NEXT: movl (%ecx), %ecx
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; X86-NEXT: addb %al, %al
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; X86-NEXT: movzbl %al, %eax
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; X86-NEXT: orl %edx, %eax
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; X86-NEXT: orl $32768, %eax # imm = 0x8000
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; X86-NEXT: movw %ax, (%ecx)
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; X86-NEXT: xorl %eax, %eax
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; X86-NEXT: xorl %edx, %edx
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; X86-NEXT: retl
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;
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; X64-LABEL: PR69965:
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; X64: # %bb.0: # %entry
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; X64-NEXT: movq (%rdi), %rax
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; X64-NEXT: movzbl (%rax), %eax
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; X64-NEXT: notl %eax
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; X64-NEXT: leal (%rax,%rax), %ecx
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; X64-NEXT: # kill: def $eax killed $eax killed $rax
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; X64-NEXT: shll $8, %eax
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; X64-NEXT: movq (%rsi), %rdx
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; X64-NEXT: movzbl %cl, %ecx
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; X64-NEXT: orl %eax, %ecx
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; X64-NEXT: orl $32768, %ecx # imm = 0x8000
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; X64-NEXT: movw %cx, (%rdx)
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; X64-NEXT: xorl %eax, %eax
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; X64-NEXT: retq
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entry:
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%0 = load ptr, ptr %input_ptrs, align 8
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%.val.i = load i8, ptr %0, align 1
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%1 = and i8 %.val.i, 127
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%2 = xor i8 %1, 127
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%3 = or i8 %2, -128
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%4 = zext i8 %3 to i16
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%5 = load ptr, ptr %output_ptrs, align 8
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%6 = shl nuw i16 %4, 8
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%7 = shl nuw i8 %2, 1
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%8 = zext i8 %7 to i16
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%9 = or i16 %6, %8
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store i16 %9, ptr %5, align 2
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ret i64 0
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}
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