| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-unknown | FileCheck %s --check-prefix=X86 |
| ; RUN: llc < %s -mtriple=x86_64-unknown | FileCheck %s --check-prefix=X64 |
| |
| define i32 @mask_add_sext_i32_i64(ptr %base, i32 %i) { |
| ; X86-LABEL: mask_add_sext_i32_i64: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movsbl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: movl 12(%ecx,%eax,4), %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: mask_add_sext_i32_i64: |
| ; X64: # %bb.0: |
| ; X64-NEXT: sarl $24, %esi |
| ; X64-NEXT: movslq %esi, %rax |
| ; X64-NEXT: movl 12(%rdi,%rax,4), %eax |
| ; X64-NEXT: retq |
| %mask = ashr i32 %i, 24 |
| %offset = add i32 %mask, 3 |
| %sext = sext i32 %offset to i64 |
| %gep = getelementptr i32, ptr %base, i64 %sext |
| %ret = load i32, ptr %gep |
| ret i32 %ret |
| } |
| |
| define i32 @mask_add_zext_i32_i64(ptr %base, i32 %i) { |
| ; X86-LABEL: mask_add_zext_i32_i64: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: andl $15, %ecx |
| ; X86-NEXT: movl 12(%eax,%ecx,4), %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: mask_add_zext_i32_i64: |
| ; X64: # %bb.0: |
| ; X64-NEXT: # kill: def $esi killed $esi def $rsi |
| ; X64-NEXT: andl $15, %esi |
| ; X64-NEXT: movl 12(%rdi,%rsi,4), %eax |
| ; X64-NEXT: retq |
| %mask = and i32 %i, 15 |
| %offset = add i32 %mask, 3 |
| %zext = zext i32 %offset to i64 |
| %gep = getelementptr i32, ptr %base, i64 %zext |
| %ret = load i32, ptr %gep |
| ret i32 %ret |
| } |
| |
| define i32 @mask_offset_scale_zext_i32_i64(ptr %base, i32 %i) { |
| ; X86-LABEL: mask_offset_scale_zext_i32_i64: |
| ; X86: # %bb.0: |
| ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X86-NEXT: movzbl {{[0-9]+}}(%esp), %ecx |
| ; X86-NEXT: shll $11, %ecx |
| ; X86-NEXT: movl 48(%eax,%ecx), %eax |
| ; X86-NEXT: retl |
| ; |
| ; X64-LABEL: mask_offset_scale_zext_i32_i64: |
| ; X64: # %bb.0: |
| ; X64-NEXT: # kill: def $esi killed $esi def $rsi |
| ; X64-NEXT: andl $65280, %esi # imm = 0xFF00 |
| ; X64-NEXT: movl 48(%rdi,%rsi,8), %eax |
| ; X64-NEXT: retq |
| %mask = and i32 %i, 65280 |
| %offset = or i32 %mask, 6 |
| %scale = shl i32 %offset, 1 |
| %idxprom = zext i32 %scale to i64 |
| %arrayidx = getelementptr inbounds i32, ptr %base, i64 %idxprom |
| %load = load i32, ptr %arrayidx, align 4 |
| ret i32 %load |
| } |