| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2,+bmi | FileCheck %s --check-prefixes=CHECK,X32 |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2,+bmi | FileCheck %s --check-prefixes=CHECK,X64 |
| |
| declare i32 @llvm.x86.bmi.bextr.32(i32, i32) |
| |
| define i32 @bextr_zero_length(i32 %x, i32 %y) { |
| ; CHECK-LABEL: bextr_zero_length: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: ret{{[l|q]}} |
| %1 = and i32 %y, 255 |
| %2 = tail call i32 @llvm.x86.bmi.bextr.32(i32 %x, i32 %1) |
| ret i32 %2 |
| } |
| |
| define i32 @bextr_big_shift(i32 %x, i32 %y) { |
| ; X32-LABEL: bextr_big_shift: |
| ; X32: # %bb.0: |
| ; X32-NEXT: movl $255, %eax |
| ; X32-NEXT: orl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: bextr_big_shift: |
| ; X64: # %bb.0: |
| ; X64-NEXT: orl $255, %esi |
| ; X64-NEXT: bextrl %esi, %edi, %eax |
| ; X64-NEXT: retq |
| %1 = or i32 %y, 255 |
| %2 = tail call i32 @llvm.x86.bmi.bextr.32(i32 %x, i32 %1) |
| ret i32 %2 |
| } |
| |
| define float @bextr_uitofp(i32 %x, i32 %y) { |
| ; X32-LABEL: bextr_uitofp: |
| ; X32: # %bb.0: |
| ; X32-NEXT: pushl %eax |
| ; X32-NEXT: .cfi_def_cfa_offset 8 |
| ; X32-NEXT: movl $3855, %eax # imm = 0xF0F |
| ; X32-NEXT: bextrl %eax, {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: movd %eax, %xmm0 |
| ; X32-NEXT: por {{\.LCPI.*}}, %xmm0 |
| ; X32-NEXT: subsd {{\.LCPI.*}}, %xmm0 |
| ; X32-NEXT: cvtsd2ss %xmm0, %xmm0 |
| ; X32-NEXT: movss %xmm0, (%esp) |
| ; X32-NEXT: flds (%esp) |
| ; X32-NEXT: popl %eax |
| ; X32-NEXT: .cfi_def_cfa_offset 4 |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: bextr_uitofp: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movl $3855, %eax # imm = 0xF0F |
| ; X64-NEXT: bextrl %eax, %edi, %eax |
| ; X64-NEXT: cvtsi2ss %eax, %xmm0 |
| ; X64-NEXT: retq |
| %1 = tail call i32 @llvm.x86.bmi.bextr.32(i32 %x, i32 3855) |
| %2 = uitofp i32 %1 to float |
| ret float %2 |
| } |