; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefixes=X86 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefixes=X64 %WideUInt32 = type { i32, i32 } define void @PR25858_i32(%WideUInt32* sret(%WideUInt32), %WideUInt32*, %WideUInt32*) nounwind { ; X86-LABEL: PR25858_i32: ; X86: # %bb.0: # %top ; X86-NEXT: pushl %esi ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: movl (%edx), %esi ; X86-NEXT: movl 4(%edx), %edx ; X86-NEXT: subl (%ecx), %esi ; X86-NEXT: sbbl 4(%ecx), %edx ; X86-NEXT: movl %edx, 4(%eax) ; X86-NEXT: movl %esi, (%eax) ; X86-NEXT: popl %esi ; X86-NEXT: retl $4 ; ; X64-LABEL: PR25858_i32: ; X64: # %bb.0: # %top ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: movl (%rsi), %ecx ; X64-NEXT: movl 4(%rsi), %esi ; X64-NEXT: subl (%rdx), %ecx ; X64-NEXT: sbbl 4(%rdx), %esi ; X64-NEXT: movl %esi, 4(%rdi) ; X64-NEXT: movl %ecx, (%rdi) ; X64-NEXT: retq top: %3 = bitcast %WideUInt32* %1 to i32* %4 = load i32, i32* %3, align 4 %5 = bitcast %WideUInt32* %2 to i32* %6 = load i32, i32* %5, align 4 %7 = sub i32 %4, %6 %8 = call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %4, i32 %6) %9 = extractvalue { i32, i1 } %8, 1 %10 = getelementptr inbounds %WideUInt32, %WideUInt32* %1, i32 0, i32 1 %11 = load i32, i32* %10, align 8 %12 = getelementptr inbounds %WideUInt32, %WideUInt32* %2, i32 0, i32 1 %13 = load i32, i32* %12, align 8 %14 = sub i32 %11, %13 %.neg1 = sext i1 %9 to i32 %15 = add i32 %14, %.neg1 %16 = insertvalue %WideUInt32 undef, i32 %7, 0 %17 = insertvalue %WideUInt32 %16, i32 %15, 1 store %WideUInt32 %17, %WideUInt32* %0, align 4 ret void } declare { i32, i1 } @llvm.usub.with.overflow.i32(i32, i32) %WideUInt64 = type { i64, i64 } define void @PR25858_i64(%WideUInt64* sret(%WideUInt64), %WideUInt64*, %WideUInt64*) nounwind { ; X86-LABEL: PR25858_i64: ; X86: # %bb.0: # %top ; X86-NEXT: pushl %ebp ; X86-NEXT: pushl %ebx ; X86-NEXT: pushl %edi ; X86-NEXT: pushl %esi ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: movl (%edx), %esi ; X86-NEXT: movl 4(%edx), %edi ; X86-NEXT: subl (%ecx), %esi ; X86-NEXT: sbbl 4(%ecx), %edi ; X86-NEXT: setb %bl ; X86-NEXT: movl 12(%edx), %ebp ; X86-NEXT: movl 8(%edx), %edx ; X86-NEXT: subl 8(%ecx), %edx ; X86-NEXT: sbbl 12(%ecx), %ebp ; X86-NEXT: movzbl %bl, %ecx ; X86-NEXT: subl %ecx, %edx ; X86-NEXT: sbbl $0, %ebp ; X86-NEXT: movl %esi, (%eax) ; X86-NEXT: movl %edi, 4(%eax) ; X86-NEXT: movl %edx, 8(%eax) ; X86-NEXT: movl %ebp, 12(%eax) ; X86-NEXT: popl %esi ; X86-NEXT: popl %edi ; X86-NEXT: popl %ebx ; X86-NEXT: popl %ebp ; X86-NEXT: retl $4 ; ; X64-LABEL: PR25858_i64: ; X64: # %bb.0: # %top ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: movq (%rsi), %rcx ; X64-NEXT: movq 8(%rsi), %rsi ; X64-NEXT: subq (%rdx), %rcx ; X64-NEXT: sbbq 8(%rdx), %rsi ; X64-NEXT: movq %rsi, 8(%rdi) ; X64-NEXT: movq %rcx, (%rdi) ; X64-NEXT: retq top: %3 = bitcast %WideUInt64* %1 to i64* %4 = load i64, i64* %3, align 8 %5 = bitcast %WideUInt64* %2 to i64* %6 = load i64, i64* %5, align 8 %7 = sub i64 %4, %6 %8 = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %4, i64 %6) %9 = extractvalue { i64, i1 } %8, 1 %10 = getelementptr inbounds %WideUInt64, %WideUInt64* %1, i64 0, i32 1 %11 = load i64, i64* %10, align 8 %12 = getelementptr inbounds %WideUInt64, %WideUInt64* %2, i64 0, i32 1 %13 = load i64, i64* %12, align 8 %14 = sub i64 %11, %13 %.neg1 = sext i1 %9 to i64 %15 = add i64 %14, %.neg1 %16 = insertvalue %WideUInt64 undef, i64 %7, 0 %17 = insertvalue %WideUInt64 %16, i64 %15, 1 store %WideUInt64 %17, %WideUInt64* %0, align 8 ret void } declare { i64, i1 } @llvm.usub.with.overflow.i64(i64, i64) ; PR24545 less_than_ideal() define i8 @PR24545(i32, i32, i32* nocapture readonly) { ; X86-LABEL: PR24545: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: cmpl (%ecx), %edx ; X86-NEXT: sbbl 4(%ecx), %eax ; X86-NEXT: setb %al ; X86-NEXT: retl ; ; X64-LABEL: PR24545: ; X64: # %bb.0: ; X64-NEXT: cmpl (%rdx), %edi ; X64-NEXT: sbbl 4(%rdx), %esi ; X64-NEXT: setb %al ; X64-NEXT: retq %4 = load i32, i32* %2 %5 = icmp ugt i32 %4, %0 %6 = zext i1 %5 to i8 %7 = getelementptr inbounds i32, i32* %2, i32 1 %8 = load i32, i32* %7 %9 = tail call { i8, i32 } @llvm.x86.subborrow.32(i8 %6, i32 %1, i32 %8) %10 = extractvalue { i8, i32 } %9, 0 %11 = icmp ne i8 %10, 0 %12 = zext i1 %11 to i8 ret i8 %12 } define i32 @PR40483_sub1(i32*, i32) nounwind { ; X86-LABEL: PR40483_sub1: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: subl %eax, (%ecx) ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: retl ; ; X64-LABEL: PR40483_sub1: ; X64: # %bb.0: ; X64-NEXT: subl %esi, (%rdi) ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: retq %3 = load i32, i32* %0, align 4 %4 = tail call { i8, i32 } @llvm.x86.subborrow.32(i8 0, i32 %3, i32 %1) %5 = extractvalue { i8, i32 } %4, 1 store i32 %5, i32* %0, align 4 %6 = sub i32 %1, %3 %7 = add i32 %6, %5 ret i32 %7 } define i32 @PR40483_sub2(i32*, i32) nounwind { ; X86-LABEL: PR40483_sub2: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: subl %eax, (%ecx) ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: retl ; ; X64-LABEL: PR40483_sub2: ; X64: # %bb.0: ; X64-NEXT: subl %esi, (%rdi) ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: retq %3 = load i32, i32* %0, align 4 %4 = sub i32 %3, %1 %5 = tail call { i8, i32 } @llvm.x86.subborrow.32(i8 0, i32 %3, i32 %1) %6 = extractvalue { i8, i32 } %5, 1 store i32 %6, i32* %0, align 4 %7 = sub i32 %4, %6 ret i32 %7 } define i32 @PR40483_sub3(i32*, i32) nounwind { ; X86-LABEL: PR40483_sub3: ; X86: # %bb.0: ; X86-NEXT: pushl %esi ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl (%eax), %edx ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi ; X86-NEXT: movl %edx, %ecx ; X86-NEXT: subl %esi, %ecx ; X86-NEXT: subl %esi, %edx ; X86-NEXT: movl %edx, (%eax) ; X86-NEXT: jae .LBB5_1 ; X86-NEXT: # %bb.2: ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: popl %esi ; X86-NEXT: retl ; X86-NEXT: .LBB5_1: ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: negl %eax ; X86-NEXT: orl %ecx, %eax ; X86-NEXT: popl %esi ; X86-NEXT: retl ; ; X64-LABEL: PR40483_sub3: ; X64: # %bb.0: ; X64-NEXT: movl (%rdi), %ecx ; X64-NEXT: movl %ecx, %eax ; X64-NEXT: subl %esi, %eax ; X64-NEXT: movl %eax, %edx ; X64-NEXT: negl %edx ; X64-NEXT: orl %eax, %edx ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: subl %esi, %ecx ; X64-NEXT: movl %ecx, (%rdi) ; X64-NEXT: cmovael %edx, %eax ; X64-NEXT: retq %3 = load i32, i32* %0, align 8 %4 = tail call { i8, i32 } @llvm.x86.subborrow.32(i8 0, i32 %3, i32 %1) %5 = extractvalue { i8, i32 } %4, 1 store i32 %5, i32* %0, align 8 %6 = extractvalue { i8, i32 } %4, 0 %7 = icmp eq i8 %6, 0 %8 = sub i32 %1, %3 %9 = or i32 %5, %8 %10 = select i1 %7, i32 %9, i32 0 ret i32 %10 } define i32 @PR40483_sub4(i32*, i32) nounwind { ; X86-LABEL: PR40483_sub4: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: movl (%edx), %ecx ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: subl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl %ecx, (%edx) ; X86-NEXT: jae .LBB6_2 ; X86-NEXT: # %bb.1: ; X86-NEXT: movl %ecx, %eax ; X86-NEXT: .LBB6_2: ; X86-NEXT: retl ; ; X64-LABEL: PR40483_sub4: ; X64: # %bb.0: ; X64-NEXT: movl (%rdi), %eax ; X64-NEXT: xorl %ecx, %ecx ; X64-NEXT: subl %esi, %eax ; X64-NEXT: movl %eax, (%rdi) ; X64-NEXT: cmovael %ecx, %eax ; X64-NEXT: retq %3 = load i32, i32* %0, align 8 %4 = tail call { i8, i32 } @llvm.x86.subborrow.32(i8 0, i32 %3, i32 %1) %5 = extractvalue { i8, i32 } %4, 1 store i32 %5, i32* %0, align 8 %6 = extractvalue { i8, i32 } %4, 0 %7 = icmp eq i8 %6, 0 %8 = sub i32 %3, %1 %9 = or i32 %5, %8 %10 = select i1 %7, i32 0, i32 %9 ret i32 %10 } ; Verify that a bogus cmov is simplified. define i32 @PR40483_sub5(i32*, i32) nounwind { ; X86-LABEL: PR40483_sub5: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: subl %eax, (%ecx) ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: retl ; ; X64-LABEL: PR40483_sub5: ; X64: # %bb.0: ; X64-NEXT: subl %esi, (%rdi) ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: retq %3 = load i32, i32* %0, align 8 %4 = tail call { i8, i32 } @llvm.x86.subborrow.32(i8 0, i32 %3, i32 %1) %5 = extractvalue { i8, i32 } %4, 1 store i32 %5, i32* %0, align 8 %6 = extractvalue { i8, i32 } %4, 0 %7 = icmp eq i8 %6, 0 %8 = sub i32 %1, %3 %9 = add i32 %8, %5 %10 = select i1 %7, i32 %9, i32 0 ret i32 %10 } define i32 @PR40483_sub6(i32*, i32) nounwind { ; X86-LABEL: PR40483_sub6: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: movl (%edx), %ecx ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: subl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl %ecx, (%edx) ; X86-NEXT: jae .LBB8_2 ; X86-NEXT: # %bb.1: ; X86-NEXT: leal (%ecx,%ecx), %eax ; X86-NEXT: .LBB8_2: ; X86-NEXT: retl ; ; X64-LABEL: PR40483_sub6: ; X64: # %bb.0: ; X64-NEXT: movl (%rdi), %eax ; X64-NEXT: xorl %ecx, %ecx ; X64-NEXT: subl %esi, %eax ; X64-NEXT: movl %eax, (%rdi) ; X64-NEXT: leal (%rax,%rax), %eax ; X64-NEXT: cmovael %ecx, %eax ; X64-NEXT: retq %3 = load i32, i32* %0, align 8 %4 = tail call { i8, i32 } @llvm.x86.subborrow.32(i8 0, i32 %3, i32 %1) %5 = extractvalue { i8, i32 } %4, 1 store i32 %5, i32* %0, align 8 %6 = extractvalue { i8, i32 } %4, 0 %7 = icmp eq i8 %6, 0 %8 = sub i32 %3, %1 %9 = add i32 %8, %5 %10 = select i1 %7, i32 0, i32 %9 ret i32 %10 } declare { i8, i32 } @llvm.x86.subborrow.32(i8, i32, i32)