; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=X32 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=X64 define void @knownbits_zext_in_reg(i8*) nounwind { ; X32-LABEL: knownbits_zext_in_reg: ; X32: # %bb.0: # %BB ; X32-NEXT: pushl %ebx ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movzbl (%eax), %ecx ; X32-NEXT: imull $101, %ecx, %eax ; X32-NEXT: shrl $14, %eax ; X32-NEXT: imull $177, %ecx, %edx ; X32-NEXT: shrl $14, %edx ; X32-NEXT: movzbl %al, %ecx ; X32-NEXT: xorl %ebx, %ebx ; X32-NEXT: .p2align 4, 0x90 ; X32-NEXT: .LBB0_1: # %CF ; X32-NEXT: # =>This Loop Header: Depth=1 ; X32-NEXT: # Child Loop BB0_2 Depth 2 ; X32-NEXT: movl %ecx, %eax ; X32-NEXT: divb %dl ; X32-NEXT: .p2align 4, 0x90 ; X32-NEXT: .LBB0_2: # %CF237 ; X32-NEXT: # Parent Loop BB0_1 Depth=1 ; X32-NEXT: # => This Inner Loop Header: Depth=2 ; X32-NEXT: testb %bl, %bl ; X32-NEXT: jne .LBB0_2 ; X32-NEXT: jmp .LBB0_1 ; ; X64-LABEL: knownbits_zext_in_reg: ; X64: # %bb.0: # %BB ; X64-NEXT: movzbl (%rdi), %eax ; X64-NEXT: imull $101, %eax, %ecx ; X64-NEXT: shrl $14, %ecx ; X64-NEXT: imull $177, %eax, %edx ; X64-NEXT: shrl $14, %edx ; X64-NEXT: movzbl %cl, %ecx ; X64-NEXT: xorl %esi, %esi ; X64-NEXT: .p2align 4, 0x90 ; X64-NEXT: .LBB0_1: # %CF ; X64-NEXT: # =>This Loop Header: Depth=1 ; X64-NEXT: # Child Loop BB0_2 Depth 2 ; X64-NEXT: movl %ecx, %eax ; X64-NEXT: divb %dl ; X64-NEXT: .p2align 4, 0x90 ; X64-NEXT: .LBB0_2: # %CF237 ; X64-NEXT: # Parent Loop BB0_1 Depth=1 ; X64-NEXT: # => This Inner Loop Header: Depth=2 ; X64-NEXT: testb %sil, %sil ; X64-NEXT: jne .LBB0_2 ; X64-NEXT: jmp .LBB0_1 BB: %L5 = load i8, i8* %0 %Sl9 = select i1 true, i8 %L5, i8 undef %B21 = udiv i8 %Sl9, -93 %B22 = udiv i8 %Sl9, 93 br label %CF CF: ; preds = %CF246, %BB %I40 = insertelement <4 x i8> zeroinitializer, i8 %B21, i32 1 %I41 = insertelement <4 x i8> zeroinitializer, i8 %B22, i32 1 %B41 = srem <4 x i8> %I40, %I41 br label %CF237 CF237: ; preds = %CF237, %CF %Cmp73 = icmp ne i1 undef, undef br i1 %Cmp73, label %CF237, label %CF246 CF246: ; preds = %CF237 %Cmp117 = icmp ult <4 x i8> %B41, undef %E156 = extractelement <4 x i1> %Cmp117, i32 2 br label %CF } define i32 @knownbits_mask_add_lshr(i32 %a0, i32 %a1) nounwind { ; X32-LABEL: knownbits_mask_add_lshr: ; X32: # %bb.0: ; X32-NEXT: xorl %eax, %eax ; X32-NEXT: retl ; ; X64-LABEL: knownbits_mask_add_lshr: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: retq %1 = and i32 %a0, 32767 %2 = and i32 %a1, 32766 %3 = add i32 %1, %2 %4 = lshr i32 %3, 17 ret i32 %4 } define i128 @knownbits_mask_addc_shl(i64 %a0, i64 %a1, i64 %a2) nounwind { ; X32-LABEL: knownbits_mask_addc_shl: ; X32: # %bb.0: ; X32-NEXT: pushl %edi ; X32-NEXT: pushl %esi ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl {{[0-9]+}}(%esp), %edx ; X32-NEXT: movl $-1024, %esi # imm = 0xFC00 ; X32-NEXT: movl {{[0-9]+}}(%esp), %edi ; X32-NEXT: andl %esi, %edi ; X32-NEXT: andl {{[0-9]+}}(%esp), %esi ; X32-NEXT: addl %edi, %esi ; X32-NEXT: adcl {{[0-9]+}}(%esp), %edx ; X32-NEXT: adcl $0, %ecx ; X32-NEXT: shldl $22, %edx, %ecx ; X32-NEXT: shldl $22, %esi, %edx ; X32-NEXT: movl %edx, 8(%eax) ; X32-NEXT: movl %ecx, 12(%eax) ; X32-NEXT: movl $0, 4(%eax) ; X32-NEXT: movl $0, (%eax) ; X32-NEXT: popl %esi ; X32-NEXT: popl %edi ; X32-NEXT: retl $4 ; ; X64-LABEL: knownbits_mask_addc_shl: ; X64: # %bb.0: ; X64-NEXT: andq $-1024, %rdi # imm = 0xFC00 ; X64-NEXT: andq $-1024, %rsi # imm = 0xFC00 ; X64-NEXT: addq %rdi, %rsi ; X64-NEXT: adcl $0, %edx ; X64-NEXT: shldq $54, %rsi, %rdx ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: retq %1 = and i64 %a0, -1024 %2 = zext i64 %1 to i128 %3 = and i64 %a1, -1024 %4 = zext i64 %3 to i128 %5 = add i128 %2, %4 %6 = zext i64 %a2 to i128 %7 = shl i128 %6, 64 %8 = add i128 %5, %7 %9 = shl i128 %8, 54 ret i128 %9 } define {i32, i1} @knownbits_uaddo_saddo(i64 %a0, i64 %a1) nounwind { ; X32-LABEL: knownbits_uaddo_saddo: ; X32: # %bb.0: ; X32-NEXT: pushl %ebx ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: movl %ecx, %edx ; X32-NEXT: addl %eax, %edx ; X32-NEXT: setb %bl ; X32-NEXT: testl %eax, %eax ; X32-NEXT: setns %al ; X32-NEXT: testl %ecx, %ecx ; X32-NEXT: setns %cl ; X32-NEXT: cmpb %al, %cl ; X32-NEXT: sete %al ; X32-NEXT: testl %edx, %edx ; X32-NEXT: setns %dl ; X32-NEXT: cmpb %dl, %cl ; X32-NEXT: setne %dl ; X32-NEXT: andb %al, %dl ; X32-NEXT: orb %bl, %dl ; X32-NEXT: xorl %eax, %eax ; X32-NEXT: popl %ebx ; X32-NEXT: retl ; ; X64-LABEL: knownbits_uaddo_saddo: ; X64: # %bb.0: ; X64-NEXT: shlq $32, %rdi ; X64-NEXT: shlq $32, %rsi ; X64-NEXT: addq %rdi, %rsi ; X64-NEXT: setb %al ; X64-NEXT: seto %dl ; X64-NEXT: orb %al, %dl ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: retq %1 = shl i64 %a0, 32 %2 = shl i64 %a1, 32 %u = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %1, i64 %2) %uval = extractvalue {i64, i1} %u, 0 %uovf = extractvalue {i64, i1} %u, 1 %s = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %1, i64 %2) %sval = extractvalue {i64, i1} %s, 0 %sovf = extractvalue {i64, i1} %s, 1 %sum = add i64 %uval, %sval %3 = trunc i64 %sum to i32 %4 = or i1 %uovf, %sovf %ret0 = insertvalue {i32, i1} undef, i32 %3, 0 %ret1 = insertvalue {i32, i1} %ret0, i1 %4, 1 ret {i32, i1} %ret1 } define {i32, i1} @knownbits_usubo_ssubo(i64 %a0, i64 %a1) nounwind { ; X32-LABEL: knownbits_usubo_ssubo: ; X32: # %bb.0: ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax ; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X32-NEXT: cmpl %eax, %ecx ; X32-NEXT: setb %dh ; X32-NEXT: setns %dl ; X32-NEXT: testl %ecx, %ecx ; X32-NEXT: setns %cl ; X32-NEXT: cmpb %dl, %cl ; X32-NEXT: setne %ch ; X32-NEXT: testl %eax, %eax ; X32-NEXT: setns %al ; X32-NEXT: cmpb %al, %cl ; X32-NEXT: setne %dl ; X32-NEXT: andb %ch, %dl ; X32-NEXT: orb %dh, %dl ; X32-NEXT: xorl %eax, %eax ; X32-NEXT: retl ; ; X64-LABEL: knownbits_usubo_ssubo: ; X64: # %bb.0: ; X64-NEXT: shlq $32, %rdi ; X64-NEXT: shlq $32, %rsi ; X64-NEXT: cmpq %rsi, %rdi ; X64-NEXT: setb %al ; X64-NEXT: seto %dl ; X64-NEXT: orb %al, %dl ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: retq %1 = shl i64 %a0, 32 %2 = shl i64 %a1, 32 %u = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %1, i64 %2) %uval = extractvalue {i64, i1} %u, 0 %uovf = extractvalue {i64, i1} %u, 1 %s = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %1, i64 %2) %sval = extractvalue {i64, i1} %s, 0 %sovf = extractvalue {i64, i1} %s, 1 %sum = add i64 %uval, %sval %3 = trunc i64 %sum to i32 %4 = or i1 %uovf, %sovf %ret0 = insertvalue {i32, i1} undef, i32 %3, 0 %ret1 = insertvalue {i32, i1} %ret0, i1 %4, 1 ret {i32, i1} %ret1 } declare {i64, i1} @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone declare {i64, i1} @llvm.sadd.with.overflow.i64(i64, i64) nounwind readnone declare {i64, i1} @llvm.usub.with.overflow.i64(i64, i64) nounwind readnone declare {i64, i1} @llvm.ssub.with.overflow.i64(i64, i64) nounwind readnone define i32 @knownbits_fshl(i32 %a0) nounwind { ; X32-LABEL: knownbits_fshl: ; X32: # %bb.0: ; X32-NEXT: movl $3, %eax ; X32-NEXT: retl ; ; X64-LABEL: knownbits_fshl: ; X64: # %bb.0: ; X64-NEXT: movl $3, %eax ; X64-NEXT: retq %1 = tail call i32 @llvm.fshl.i32(i32 %a0, i32 -1, i32 5) %2 = and i32 %1, 3 ret i32 %2 } define i32 @knownbits_fshr(i32 %a0) nounwind { ; X32-LABEL: knownbits_fshr: ; X32: # %bb.0: ; X32-NEXT: movl $3, %eax ; X32-NEXT: retl ; ; X64-LABEL: knownbits_fshr: ; X64: # %bb.0: ; X64-NEXT: movl $3, %eax ; X64-NEXT: retq %1 = tail call i32 @llvm.fshr.i32(i32 %a0, i32 -1, i32 5) %2 = and i32 %1, 3 ret i32 %2 } declare i32 @llvm.fshl.i32(i32, i32, i32) nounwind readnone declare i32 @llvm.fshr.i32(i32, i32, i32) nounwind readnone