| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+bmi | FileCheck %s --check-prefixes=CHECK,BEXTR-SLOW,BMI1-SLOW |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+bmi,+bmi2 | FileCheck %s --check-prefixes=CHECK,BEXTR-SLOW,BMI2-SLOW |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+bmi,+fast-bextr | FileCheck %s --check-prefixes=CHECK,BEXTR-FAST |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+bmi,+bmi2,+fast-bextr | FileCheck %s --check-prefixes=CHECK,BEXTR-FAST |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+bmi,+bmi2,+egpr --show-mc-encoding | FileCheck %s --check-prefix=EGPR |
| |
| declare i64 @llvm.x86.bmi.bextr.64(i64, i64) |
| |
| define i64 @bextr64(i64 %x, i64 %y) { |
| ; CHECK-LABEL: bextr64: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: bextrq %rsi, %rdi, %rax |
| ; CHECK-NEXT: retq |
| ; |
| ; EGPR-LABEL: bextr64: |
| ; EGPR: # %bb.0: |
| ; EGPR-NEXT: bextrq %rsi, %rdi, %rax # EVEX TO VEX Compression encoding: [0xc4,0xe2,0xc8,0xf7,0xc7] |
| ; EGPR-NEXT: retq # encoding: [0xc3] |
| %tmp = tail call i64 @llvm.x86.bmi.bextr.64(i64 %x, i64 %y) |
| ret i64 %tmp |
| } |
| |
| define i64 @bextr64b(i64 %x) uwtable ssp { |
| ; BEXTR-SLOW-LABEL: bextr64b: |
| ; BEXTR-SLOW: # %bb.0: |
| ; BEXTR-SLOW-NEXT: movq %rdi, %rax |
| ; BEXTR-SLOW-NEXT: shrl $4, %eax |
| ; BEXTR-SLOW-NEXT: andl $4095, %eax # imm = 0xFFF |
| ; BEXTR-SLOW-NEXT: retq |
| ; |
| ; BEXTR-FAST-LABEL: bextr64b: |
| ; BEXTR-FAST: # %bb.0: |
| ; BEXTR-FAST-NEXT: movl $3076, %eax # imm = 0xC04 |
| ; BEXTR-FAST-NEXT: bextrl %eax, %edi, %eax |
| ; BEXTR-FAST-NEXT: retq |
| ; |
| ; EGPR-LABEL: bextr64b: |
| ; EGPR: # %bb.0: |
| ; EGPR-NEXT: movq %rdi, %rax # encoding: [0x48,0x89,0xf8] |
| ; EGPR-NEXT: shrl $4, %eax # encoding: [0xc1,0xe8,0x04] |
| ; EGPR-NEXT: andl $4095, %eax # encoding: [0x25,0xff,0x0f,0x00,0x00] |
| ; EGPR-NEXT: # imm = 0xFFF |
| ; EGPR-NEXT: retq # encoding: [0xc3] |
| %1 = lshr i64 %x, 4 |
| %2 = and i64 %1, 4095 |
| ret i64 %2 |
| } |
| |
| ; Make sure we still use the AH subreg trick to extract 15:8 |
| define i64 @bextr64_subreg(i64 %x) uwtable ssp { |
| ; CHECK-LABEL: bextr64_subreg: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movq %rdi, %rax |
| ; CHECK-NEXT: movzbl %ah, %eax |
| ; CHECK-NEXT: retq |
| ; |
| ; EGPR-LABEL: bextr64_subreg: |
| ; EGPR: # %bb.0: |
| ; EGPR-NEXT: movq %rdi, %rax # encoding: [0x48,0x89,0xf8] |
| ; EGPR-NEXT: movzbl %ah, %eax # encoding: [0x0f,0xb6,0xc4] |
| ; EGPR-NEXT: retq # encoding: [0xc3] |
| %1 = lshr i64 %x, 8 |
| %2 = and i64 %1, 255 |
| ret i64 %2 |
| } |
| |
| define i64 @bextr64b_load(ptr %x) { |
| ; BEXTR-SLOW-LABEL: bextr64b_load: |
| ; BEXTR-SLOW: # %bb.0: |
| ; BEXTR-SLOW-NEXT: movl (%rdi), %eax |
| ; BEXTR-SLOW-NEXT: shrl $4, %eax |
| ; BEXTR-SLOW-NEXT: andl $4095, %eax # imm = 0xFFF |
| ; BEXTR-SLOW-NEXT: retq |
| ; |
| ; BEXTR-FAST-LABEL: bextr64b_load: |
| ; BEXTR-FAST: # %bb.0: |
| ; BEXTR-FAST-NEXT: movl $3076, %eax # imm = 0xC04 |
| ; BEXTR-FAST-NEXT: bextrl %eax, (%rdi), %eax |
| ; BEXTR-FAST-NEXT: retq |
| ; |
| ; EGPR-LABEL: bextr64b_load: |
| ; EGPR: # %bb.0: |
| ; EGPR-NEXT: movl (%rdi), %eax # encoding: [0x8b,0x07] |
| ; EGPR-NEXT: shrl $4, %eax # encoding: [0xc1,0xe8,0x04] |
| ; EGPR-NEXT: andl $4095, %eax # encoding: [0x25,0xff,0x0f,0x00,0x00] |
| ; EGPR-NEXT: # imm = 0xFFF |
| ; EGPR-NEXT: retq # encoding: [0xc3] |
| %1 = load i64, ptr %x, align 8 |
| %2 = lshr i64 %1, 4 |
| %3 = and i64 %2, 4095 |
| ret i64 %3 |
| } |
| |
| ; PR34042 |
| define i64 @bextr64c(i64 %x, i32 %y) { |
| ; CHECK-LABEL: bextr64c: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: # kill: def $esi killed $esi def $rsi |
| ; CHECK-NEXT: bextrq %rsi, %rdi, %rax |
| ; CHECK-NEXT: retq |
| ; |
| ; EGPR-LABEL: bextr64c: |
| ; EGPR: # %bb.0: |
| ; EGPR-NEXT: # kill: def $esi killed $esi def $rsi |
| ; EGPR-NEXT: bextrq %rsi, %rdi, %rax # EVEX TO VEX Compression encoding: [0xc4,0xe2,0xc8,0xf7,0xc7] |
| ; EGPR-NEXT: retq # encoding: [0xc3] |
| %tmp0 = sext i32 %y to i64 |
| %tmp1 = tail call i64 @llvm.x86.bmi.bextr.64(i64 %x, i64 %tmp0) |
| ret i64 %tmp1 |
| } |
| |
| define i64 @bextr64d(i64 %a) { |
| ; BMI1-SLOW-LABEL: bextr64d: |
| ; BMI1-SLOW: # %bb.0: # %entry |
| ; BMI1-SLOW-NEXT: shrq $2, %rdi |
| ; BMI1-SLOW-NEXT: movl $8448, %eax # imm = 0x2100 |
| ; BMI1-SLOW-NEXT: bextrq %rax, %rdi, %rax |
| ; BMI1-SLOW-NEXT: retq |
| ; |
| ; BMI2-SLOW-LABEL: bextr64d: |
| ; BMI2-SLOW: # %bb.0: # %entry |
| ; BMI2-SLOW-NEXT: movl $35, %eax |
| ; BMI2-SLOW-NEXT: bzhiq %rax, %rdi, %rax |
| ; BMI2-SLOW-NEXT: shrq $2, %rax |
| ; BMI2-SLOW-NEXT: retq |
| ; |
| ; BEXTR-FAST-LABEL: bextr64d: |
| ; BEXTR-FAST: # %bb.0: # %entry |
| ; BEXTR-FAST-NEXT: movl $8450, %eax # imm = 0x2102 |
| ; BEXTR-FAST-NEXT: bextrq %rax, %rdi, %rax |
| ; BEXTR-FAST-NEXT: retq |
| ; |
| ; EGPR-LABEL: bextr64d: |
| ; EGPR: # %bb.0: # %entry |
| ; EGPR-NEXT: movl $35, %eax # encoding: [0xb8,0x23,0x00,0x00,0x00] |
| ; EGPR-NEXT: bzhiq %rax, %rdi, %rax # EVEX TO VEX Compression encoding: [0xc4,0xe2,0xf8,0xf5,0xc7] |
| ; EGPR-NEXT: shrq $2, %rax # encoding: [0x48,0xc1,0xe8,0x02] |
| ; EGPR-NEXT: retq # encoding: [0xc3] |
| entry: |
| %shr = lshr i64 %a, 2 |
| %and = and i64 %shr, 8589934591 |
| ret i64 %and |
| } |
| |
| define i64 @bextr64d_load(ptr %aptr) { |
| ; BMI1-SLOW-LABEL: bextr64d_load: |
| ; BMI1-SLOW: # %bb.0: # %entry |
| ; BMI1-SLOW-NEXT: movq (%rdi), %rax |
| ; BMI1-SLOW-NEXT: shrq $2, %rax |
| ; BMI1-SLOW-NEXT: movl $8448, %ecx # imm = 0x2100 |
| ; BMI1-SLOW-NEXT: bextrq %rcx, %rax, %rax |
| ; BMI1-SLOW-NEXT: retq |
| ; |
| ; BMI2-SLOW-LABEL: bextr64d_load: |
| ; BMI2-SLOW: # %bb.0: # %entry |
| ; BMI2-SLOW-NEXT: movl $35, %eax |
| ; BMI2-SLOW-NEXT: bzhiq %rax, (%rdi), %rax |
| ; BMI2-SLOW-NEXT: shrq $2, %rax |
| ; BMI2-SLOW-NEXT: retq |
| ; |
| ; BEXTR-FAST-LABEL: bextr64d_load: |
| ; BEXTR-FAST: # %bb.0: # %entry |
| ; BEXTR-FAST-NEXT: movl $8450, %eax # imm = 0x2102 |
| ; BEXTR-FAST-NEXT: bextrq %rax, (%rdi), %rax |
| ; BEXTR-FAST-NEXT: retq |
| ; |
| ; EGPR-LABEL: bextr64d_load: |
| ; EGPR: # %bb.0: # %entry |
| ; EGPR-NEXT: movl $35, %eax # encoding: [0xb8,0x23,0x00,0x00,0x00] |
| ; EGPR-NEXT: bzhiq %rax, (%rdi), %rax # EVEX TO VEX Compression encoding: [0xc4,0xe2,0xf8,0xf5,0x07] |
| ; EGPR-NEXT: shrq $2, %rax # encoding: [0x48,0xc1,0xe8,0x02] |
| ; EGPR-NEXT: retq # encoding: [0xc3] |
| entry: |
| %a = load i64, ptr %aptr, align 8 |
| %shr = lshr i64 %a, 2 |
| %and = and i64 %shr, 8589934591 |
| ret i64 %and |
| } |
| |
| define i64 @non_bextr64(i64 %x) { |
| ; CHECK-LABEL: non_bextr64: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: shrq $2, %rdi |
| ; CHECK-NEXT: movabsq $8589934590, %rax # imm = 0x1FFFFFFFE |
| ; CHECK-NEXT: andq %rdi, %rax |
| ; CHECK-NEXT: retq |
| ; |
| ; EGPR-LABEL: non_bextr64: |
| ; EGPR: # %bb.0: # %entry |
| ; EGPR-NEXT: shrq $2, %rdi # encoding: [0x48,0xc1,0xef,0x02] |
| ; EGPR-NEXT: movabsq $8589934590, %rax # encoding: [0x48,0xb8,0xfe,0xff,0xff,0xff,0x01,0x00,0x00,0x00] |
| ; EGPR-NEXT: # imm = 0x1FFFFFFFE |
| ; EGPR-NEXT: andq %rdi, %rax # encoding: [0x48,0x21,0xf8] |
| ; EGPR-NEXT: retq # encoding: [0xc3] |
| entry: |
| %shr = lshr i64 %x, 2 |
| %and = and i64 %shr, 8589934590 |
| ret i64 %and |
| } |
