; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -fast-isel -mtriple=x86_64-unknown-unknown -mattr=+bmi | FileCheck %s --check-prefix=X64 ; RUN: llc < %s -fast-isel -mtriple=x86_64-unknown-unknown -mattr=+bmi,+egpr --show-mc-encoding | FileCheck %s --check-prefix=EGPR ; NOTE: This should use IR equivalent to what is generated by clang/test/CodeGen/bmi-builtins.c ; ; AMD Intrinsics ; define i64 @test__andn_u64(i64 %a0, i64 %a1) { ; X64-LABEL: test__andn_u64: ; X64: # %bb.0: ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: xorq $-1, %rax ; X64-NEXT: andq %rsi, %rax ; X64-NEXT: retq ; ; EGPR-LABEL: test__andn_u64: ; EGPR: # %bb.0: ; EGPR-NEXT: movq %rdi, %rax # encoding: [0x48,0x89,0xf8] ; EGPR-NEXT: xorq $-1, %rax # encoding: [0x48,0x83,0xf0,0xff] ; EGPR-NEXT: andq %rsi, %rax # encoding: [0x48,0x21,0xf0] ; EGPR-NEXT: retq # encoding: [0xc3] %xor = xor i64 %a0, -1 %res = and i64 %xor, %a1 ret i64 %res } define i64 @test__bextr_u64(i64 %a0, i64 %a1) { ; X64-LABEL: test__bextr_u64: ; X64: # %bb.0: ; X64-NEXT: bextrq %rsi, %rdi, %rax ; X64-NEXT: retq ; ; EGPR-LABEL: test__bextr_u64: ; EGPR: # %bb.0: ; EGPR-NEXT: bextrq %rsi, %rdi, %rax # EVEX TO VEX Compression encoding: [0xc4,0xe2,0xc8,0xf7,0xc7] ; EGPR-NEXT: retq # encoding: [0xc3] %res = call i64 @llvm.x86.bmi.bextr.64(i64 %a0, i64 %a1) ret i64 %res } define i64 @test__blsi_u64(i64 %a0) { ; X64-LABEL: test__blsi_u64: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: subq %rdi, %rax ; X64-NEXT: andq %rdi, %rax ; X64-NEXT: retq ; ; EGPR-LABEL: test__blsi_u64: ; EGPR: # %bb.0: ; EGPR-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; EGPR-NEXT: subq %rdi, %rax # encoding: [0x48,0x29,0xf8] ; EGPR-NEXT: andq %rdi, %rax # encoding: [0x48,0x21,0xf8] ; EGPR-NEXT: retq # encoding: [0xc3] %neg = sub i64 0, %a0 %res = and i64 %a0, %neg ret i64 %res } define i64 @test__blsmsk_u64(i64 %a0) { ; X64-LABEL: test__blsmsk_u64: ; X64: # %bb.0: ; X64-NEXT: leaq -1(%rdi), %rax ; X64-NEXT: xorq %rdi, %rax ; X64-NEXT: retq ; ; EGPR-LABEL: test__blsmsk_u64: ; EGPR: # %bb.0: ; EGPR-NEXT: leaq -1(%rdi), %rax # encoding: [0x48,0x8d,0x47,0xff] ; EGPR-NEXT: xorq %rdi, %rax # encoding: [0x48,0x31,0xf8] ; EGPR-NEXT: retq # encoding: [0xc3] %dec = sub i64 %a0, 1 %res = xor i64 %a0, %dec ret i64 %res } define i64 @test__blsr_u64(i64 %a0) { ; X64-LABEL: test__blsr_u64: ; X64: # %bb.0: ; X64-NEXT: leaq -1(%rdi), %rax ; X64-NEXT: andq %rdi, %rax ; X64-NEXT: retq ; ; EGPR-LABEL: test__blsr_u64: ; EGPR: # %bb.0: ; EGPR-NEXT: leaq -1(%rdi), %rax # encoding: [0x48,0x8d,0x47,0xff] ; EGPR-NEXT: andq %rdi, %rax # encoding: [0x48,0x21,0xf8] ; EGPR-NEXT: retq # encoding: [0xc3] %dec = sub i64 %a0, 1 %res = and i64 %a0, %dec ret i64 %res } define i64 @test__tzcnt_u64(i64 %a0) { ; X64-LABEL: test__tzcnt_u64: ; X64: # %bb.0: ; X64-NEXT: tzcntq %rdi, %rax ; X64-NEXT: retq ; ; EGPR-LABEL: test__tzcnt_u64: ; EGPR: # %bb.0: ; EGPR-NEXT: tzcntq %rdi, %rax # encoding: [0xf3,0x48,0x0f,0xbc,0xc7] ; EGPR-NEXT: retq # encoding: [0xc3] %cmp = icmp ne i64 %a0, 0 %cttz = call i64 @llvm.cttz.i64(i64 %a0, i1 false) ret i64 %cttz } ; ; Intel intrinsics ; define i64 @test_andn_u64(i64 %a0, i64 %a1) { ; X64-LABEL: test_andn_u64: ; X64: # %bb.0: ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: xorq $-1, %rax ; X64-NEXT: andq %rsi, %rax ; X64-NEXT: retq ; ; EGPR-LABEL: test_andn_u64: ; EGPR: # %bb.0: ; EGPR-NEXT: movq %rdi, %rax # encoding: [0x48,0x89,0xf8] ; EGPR-NEXT: xorq $-1, %rax # encoding: [0x48,0x83,0xf0,0xff] ; EGPR-NEXT: andq %rsi, %rax # encoding: [0x48,0x21,0xf0] ; EGPR-NEXT: retq # encoding: [0xc3] %xor = xor i64 %a0, -1 %res = and i64 %xor, %a1 ret i64 %res } define i64 @test_bextr_u64(i64 %a0, i32 %a1, i32 %a2) { ; X64-LABEL: test_bextr_u64: ; X64: # %bb.0: ; X64-NEXT: andl $255, %esi ; X64-NEXT: andl $255, %edx ; X64-NEXT: shll $8, %edx ; X64-NEXT: orl %esi, %edx ; X64-NEXT: movl %edx, %eax ; X64-NEXT: bextrq %rax, %rdi, %rax ; X64-NEXT: retq ; ; EGPR-LABEL: test_bextr_u64: ; EGPR: # %bb.0: ; EGPR-NEXT: andl $255, %esi # encoding: [0x81,0xe6,0xff,0x00,0x00,0x00] ; EGPR-NEXT: andl $255, %edx # encoding: [0x81,0xe2,0xff,0x00,0x00,0x00] ; EGPR-NEXT: shll $8, %edx # encoding: [0xc1,0xe2,0x08] ; EGPR-NEXT: orl %esi, %edx # encoding: [0x09,0xf2] ; EGPR-NEXT: movl %edx, %eax # encoding: [0x89,0xd0] ; EGPR-NEXT: bextrq %rax, %rdi, %rax # EVEX TO VEX Compression encoding: [0xc4,0xe2,0xf8,0xf7,0xc7] ; EGPR-NEXT: retq # encoding: [0xc3] %and1 = and i32 %a1, 255 %and2 = and i32 %a2, 255 %shl = shl i32 %and2, 8 %or = or i32 %and1, %shl %zext = zext i32 %or to i64 %res = call i64 @llvm.x86.bmi.bextr.64(i64 %a0, i64 %zext) ret i64 %res } define i64 @test_blsi_u64(i64 %a0) { ; X64-LABEL: test_blsi_u64: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: subq %rdi, %rax ; X64-NEXT: andq %rdi, %rax ; X64-NEXT: retq ; ; EGPR-LABEL: test_blsi_u64: ; EGPR: # %bb.0: ; EGPR-NEXT: xorl %eax, %eax # encoding: [0x31,0xc0] ; EGPR-NEXT: subq %rdi, %rax # encoding: [0x48,0x29,0xf8] ; EGPR-NEXT: andq %rdi, %rax # encoding: [0x48,0x21,0xf8] ; EGPR-NEXT: retq # encoding: [0xc3] %neg = sub i64 0, %a0 %res = and i64 %a0, %neg ret i64 %res } define i64 @test_blsmsk_u64(i64 %a0) { ; X64-LABEL: test_blsmsk_u64: ; X64: # %bb.0: ; X64-NEXT: leaq -1(%rdi), %rax ; X64-NEXT: xorq %rdi, %rax ; X64-NEXT: retq ; ; EGPR-LABEL: test_blsmsk_u64: ; EGPR: # %bb.0: ; EGPR-NEXT: leaq -1(%rdi), %rax # encoding: [0x48,0x8d,0x47,0xff] ; EGPR-NEXT: xorq %rdi, %rax # encoding: [0x48,0x31,0xf8] ; EGPR-NEXT: retq # encoding: [0xc3] %dec = sub i64 %a0, 1 %res = xor i64 %a0, %dec ret i64 %res } define i64 @test_blsr_u64(i64 %a0) { ; X64-LABEL: test_blsr_u64: ; X64: # %bb.0: ; X64-NEXT: leaq -1(%rdi), %rax ; X64-NEXT: andq %rdi, %rax ; X64-NEXT: retq ; ; EGPR-LABEL: test_blsr_u64: ; EGPR: # %bb.0: ; EGPR-NEXT: leaq -1(%rdi), %rax # encoding: [0x48,0x8d,0x47,0xff] ; EGPR-NEXT: andq %rdi, %rax # encoding: [0x48,0x21,0xf8] ; EGPR-NEXT: retq # encoding: [0xc3] %dec = sub i64 %a0, 1 %res = and i64 %a0, %dec ret i64 %res } define i64 @test_tzcnt_u64(i64 %a0) { ; X64-LABEL: test_tzcnt_u64: ; X64: # %bb.0: ; X64-NEXT: tzcntq %rdi, %rax ; X64-NEXT: retq ; ; EGPR-LABEL: test_tzcnt_u64: ; EGPR: # %bb.0: ; EGPR-NEXT: tzcntq %rdi, %rax # encoding: [0xf3,0x48,0x0f,0xbc,0xc7] ; EGPR-NEXT: retq # encoding: [0xc3] %cmp = icmp ne i64 %a0, 0 %cttz = call i64 @llvm.cttz.i64(i64 %a0, i1 false) ret i64 %cttz } declare i64 @llvm.cttz.i64(i64, i1) declare i64 @llvm.x86.bmi.bextr.64(i64, i64)