; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-pc-linux -mattr=+bmi,+bmi2,+popcnt,+lzcnt | FileCheck %s declare void @foo(i32) declare void @foo32(i32) declare void @foo64(i64) define void @neg(i32 %x) nounwind { ; CHECK-LABEL: neg: ; CHECK: # %bb.0: ; CHECK-NEXT: negl %edi ; CHECK-NEXT: je .LBB0_1 ; CHECK-NEXT: # %bb.2: # %bb ; CHECK-NEXT: jmp foo # TAILCALL ; CHECK-NEXT: .LBB0_1: # %return ; CHECK-NEXT: retq %sub = sub i32 0, %x %cmp = icmp eq i32 %sub, 0 br i1 %cmp, label %return, label %bb bb: tail call void @foo(i32 %sub) br label %return return: ret void } define void @sar(i32 %x) nounwind { ; CHECK-LABEL: sar: ; CHECK: # %bb.0: ; CHECK-NEXT: sarl %edi ; CHECK-NEXT: je .LBB1_1 ; CHECK-NEXT: # %bb.2: # %bb ; CHECK-NEXT: jmp foo # TAILCALL ; CHECK-NEXT: .LBB1_1: # %return ; CHECK-NEXT: retq %ashr = ashr i32 %x, 1 %cmp = icmp eq i32 %ashr, 0 br i1 %cmp, label %return, label %bb bb: tail call void @foo(i32 %ashr) br label %return return: ret void } define void @shr(i32 %x) nounwind { ; CHECK-LABEL: shr: ; CHECK: # %bb.0: ; CHECK-NEXT: shrl %edi ; CHECK-NEXT: je .LBB2_1 ; CHECK-NEXT: # %bb.2: # %bb ; CHECK-NEXT: jmp foo # TAILCALL ; CHECK-NEXT: .LBB2_1: # %return ; CHECK-NEXT: retq %ashr = lshr i32 %x, 1 %cmp = icmp eq i32 %ashr, 0 br i1 %cmp, label %return, label %bb bb: tail call void @foo(i32 %ashr) br label %return return: ret void } define void @shri(i32 %x) nounwind { ; CHECK-LABEL: shri: ; CHECK: # %bb.0: ; CHECK-NEXT: shrl $3, %edi ; CHECK-NEXT: je .LBB3_1 ; CHECK-NEXT: # %bb.2: # %bb ; CHECK-NEXT: jmp foo # TAILCALL ; CHECK-NEXT: .LBB3_1: # %return ; CHECK-NEXT: retq %ashr = lshr i32 %x, 3 %cmp = icmp eq i32 %ashr, 0 br i1 %cmp, label %return, label %bb bb: tail call void @foo(i32 %ashr) br label %return return: ret void } define void @shl(i32 %x) nounwind { ; CHECK-LABEL: shl: ; CHECK: # %bb.0: ; CHECK-NEXT: addl %edi, %edi ; CHECK-NEXT: je .LBB4_1 ; CHECK-NEXT: # %bb.2: # %bb ; CHECK-NEXT: jmp foo # TAILCALL ; CHECK-NEXT: .LBB4_1: # %return ; CHECK-NEXT: retq %shl = shl i32 %x, 1 %cmp = icmp eq i32 %shl, 0 br i1 %cmp, label %return, label %bb bb: tail call void @foo(i32 %shl) br label %return return: ret void } define void @shli(i32 %x) nounwind { ; CHECK-LABEL: shli: ; CHECK: # %bb.0: ; CHECK-NEXT: shll $4, %edi ; CHECK-NEXT: je .LBB5_1 ; CHECK-NEXT: # %bb.2: # %bb ; CHECK-NEXT: jmp foo # TAILCALL ; CHECK-NEXT: .LBB5_1: # %return ; CHECK-NEXT: retq %shl = shl i32 %x, 4 %cmp = icmp eq i32 %shl, 0 br i1 %cmp, label %return, label %bb bb: tail call void @foo(i32 %shl) br label %return return: ret void } define zeroext i1 @adc(i128 %x) nounwind { ; CHECK-LABEL: adc: ; CHECK: # %bb.0: ; CHECK-NEXT: movabsq $-9223372036854775808, %rax # imm = 0x8000000000000000 ; CHECK-NEXT: addq %rdi, %rax ; CHECK-NEXT: adcq $0, %rsi ; CHECK-NEXT: sete %al ; CHECK-NEXT: retq %add = add i128 %x, 9223372036854775808 %cmp = icmp ult i128 %add, 18446744073709551616 ret i1 %cmp } define zeroext i1 @sbb(i128 %x, i128 %y) nounwind { ; CHECK-LABEL: sbb: ; CHECK: # %bb.0: ; CHECK-NEXT: cmpq %rdx, %rdi ; CHECK-NEXT: sbbq %rcx, %rsi ; CHECK-NEXT: setns %al ; CHECK-NEXT: retq %sub = sub i128 %x, %y %cmp = icmp sge i128 %sub, 0 ret i1 %cmp } define void @andn(i32 %x, i32 %y) nounwind { ; CHECK-LABEL: andn: ; CHECK: # %bb.0: ; CHECK-NEXT: andnl %esi, %edi, %edi ; CHECK-NEXT: je .LBB8_1 ; CHECK-NEXT: # %bb.2: # %bb ; CHECK-NEXT: jmp foo # TAILCALL ; CHECK-NEXT: .LBB8_1: # %return ; CHECK-NEXT: retq %not = xor i32 %x, -1 %andn = and i32 %y, %not %cmp = icmp eq i32 %andn, 0 br i1 %cmp, label %return, label %bb bb: tail call void @foo(i32 %andn) br label %return return: ret void } declare i32 @llvm.x86.bmi.bextr.32(i32, i32) nounwind readnone define void @bextr(i32 %x, i32 %y) nounwind { ; CHECK-LABEL: bextr: ; CHECK: # %bb.0: ; CHECK-NEXT: bextrl %esi, %edi, %edi ; CHECK-NEXT: je .LBB9_1 ; CHECK-NEXT: # %bb.2: # %bb ; CHECK-NEXT: jmp foo # TAILCALL ; CHECK-NEXT: .LBB9_1: # %return ; CHECK-NEXT: retq %bextr = tail call i32 @llvm.x86.bmi.bextr.32(i32 %x, i32 %y) %cmp = icmp eq i32 %bextr, 0 br i1 %cmp, label %return, label %bb bb: tail call void @foo(i32 %bextr) br label %return return: ret void } declare i32 @llvm.ctpop.i32(i32) nounwind readnone define void @popcnt(i32 %x) nounwind { ; CHECK-LABEL: popcnt: ; CHECK: # %bb.0: ; CHECK-NEXT: popcntl %edi, %edi ; CHECK-NEXT: je .LBB10_1 ; CHECK-NEXT: # %bb.2: # %bb ; CHECK-NEXT: jmp foo # TAILCALL ; CHECK-NEXT: .LBB10_1: # %return ; CHECK-NEXT: retq %popcnt = tail call i32 @llvm.ctpop.i32(i32 %x) %cmp = icmp eq i32 %popcnt, 0 br i1 %cmp, label %return, label %bb bb: tail call void @foo(i32 %popcnt) br label %return return: ret void } declare i64 @llvm.cttz.i64(i64, i1) define i64 @testCTZ(i64 %v) nounwind { ; CHECK-LABEL: testCTZ: ; CHECK: # %bb.0: ; CHECK-NEXT: tzcntq %rdi, %rcx ; CHECK-NEXT: movl $255, %eax ; CHECK-NEXT: cmovaeq %rcx, %rax ; CHECK-NEXT: retq %cnt = tail call i64 @llvm.cttz.i64(i64 %v, i1 true) %tobool = icmp eq i64 %v, 0 %cond = select i1 %tobool, i64 255, i64 %cnt ret i64 %cond } declare i32 @llvm.cttz.i32(i32, i1) define void @testCTZ2(i32 %v) nounwind { ; CHECK-LABEL: testCTZ2: ; CHECK: # %bb.0: ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: tzcntl %edi, %ebx ; CHECK-NEXT: jb .LBB12_2 ; CHECK-NEXT: # %bb.1: # %bb ; CHECK-NEXT: movl %ebx, %edi ; CHECK-NEXT: callq foo ; CHECK-NEXT: .LBB12_2: # %return ; CHECK-NEXT: movl %ebx, %edi ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: jmp foo32 # TAILCALL %cnt = tail call i32 @llvm.cttz.i32(i32 %v, i1 true) %cmp = icmp eq i32 %v, 0 br i1 %cmp, label %return, label %bb bb: tail call void @foo(i32 %cnt) br label %return return: tail call void @foo32(i32 %cnt) ret void } define void @testCTZ3(i32 %v) nounwind { ; CHECK-LABEL: testCTZ3: ; CHECK: # %bb.0: ; CHECK-NEXT: pushq %rbx ; CHECK-NEXT: tzcntl %edi, %ebx ; CHECK-NEXT: jae .LBB13_2 ; CHECK-NEXT: # %bb.1: # %bb ; CHECK-NEXT: movl %ebx, %edi ; CHECK-NEXT: callq foo ; CHECK-NEXT: .LBB13_2: # %return ; CHECK-NEXT: movl %ebx, %edi ; CHECK-NEXT: popq %rbx ; CHECK-NEXT: jmp foo32 # TAILCALL %cnt = tail call i32 @llvm.cttz.i32(i32 %v, i1 true) %cmp = icmp ne i32 %v, 0 br i1 %cmp, label %return, label %bb bb: tail call void @foo(i32 %cnt) br label %return return: tail call void @foo32(i32 %cnt) ret void } declare i64 @llvm.ctlz.i64(i64, i1) define i64 @testCLZ(i64 %v) nounwind { ; CHECK-LABEL: testCLZ: ; CHECK: # %bb.0: ; CHECK-NEXT: lzcntq %rdi, %rcx ; CHECK-NEXT: movl $255, %eax ; CHECK-NEXT: cmovaeq %rcx, %rax ; CHECK-NEXT: retq %cnt = tail call i64 @llvm.ctlz.i64(i64 %v, i1 true) %tobool = icmp ne i64 %v, 0 %cond = select i1 %tobool, i64 %cnt, i64 255 ret i64 %cond } declare i64 @llvm.ctpop.i64(i64) define i64 @testPOPCNT(i64 %v) nounwind { ; CHECK-LABEL: testPOPCNT: ; CHECK: # %bb.0: ; CHECK-NEXT: popcntq %rdi, %rcx ; CHECK-NEXT: movl $255, %eax ; CHECK-NEXT: cmovneq %rcx, %rax ; CHECK-NEXT: retq %cnt = tail call i64 @llvm.ctpop.i64(i64 %v) %tobool = icmp ne i64 %v, 0 %cond = select i1 %tobool, i64 %cnt, i64 255 ret i64 %cond }