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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skylake-avx512 | FileCheck %s --check-prefix=CHECK-BMI23; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64-v4 | FileCheck %s --check-prefix=CHECK-BMI24; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+bmi | FileCheck %s --check-prefix=CHECK-BMI5 6declare i32 @llvm.cttz.i32(i32, i1 immarg)7define void @test_61038(ptr %tmp_buffer) {8; CHECK-BMI2-LABEL: test_61038:9; CHECK-BMI2: # %bb.0: # %entry10; CHECK-BMI2-NEXT: tzcntl %eax, %eax11; CHECK-BMI2-NEXT: movabsq $8589934591, %rcx # imm = 0x1FFFFFFFF12; CHECK-BMI2-NEXT: movq %rcx, %rdx13; CHECK-BMI2-NEXT: btcq %rax, %rdx14; CHECK-BMI2-NEXT: xorl %eax, %eax15; CHECK-BMI2-NEXT: cmpq $64, %rdx16; CHECK-BMI2-NEXT: shrxq %rdx, %rcx, %rcx17; CHECK-BMI2-NEXT: cmovael %eax, %ecx18; CHECK-BMI2-NEXT: movl %ecx, (%rdi)19; CHECK-BMI2-NEXT: retq20;21; CHECK-BMI-LABEL: test_61038:22; CHECK-BMI: # %bb.0: # %entry23; CHECK-BMI-NEXT: tzcntl %eax, %eax24; CHECK-BMI-NEXT: movabsq $8589934591, %rdx # imm = 0x1FFFFFFFF25; CHECK-BMI-NEXT: movq %rdx, %rcx26; CHECK-BMI-NEXT: btcq %rax, %rcx27; CHECK-BMI-NEXT: shrq %cl, %rdx28; CHECK-BMI-NEXT: xorl %eax, %eax29; CHECK-BMI-NEXT: cmpq $64, %rcx30; CHECK-BMI-NEXT: cmovael %eax, %edx31; CHECK-BMI-NEXT: movl %edx, (%rdi)32; CHECK-BMI-NEXT: retq33entry:34 %0 = tail call i32 @llvm.cttz.i32(i32 poison, i1 false)35 %1 = zext i32 %0 to i6436 %2 = shl nuw nsw i64 1, %137 %3 = xor i64 %2, 858993459138 %4 = icmp ugt i64 %3, 6339 %x11.op.i = lshr i64 8589934591, %340 %5 = trunc i64 %x11.op.i to i3241 %6 = select i1 %4, i32 0, i32 %542 store i32 %6, ptr %tmp_buffer, align 443 ret void44}45