; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -fast-isel-sink-local-values -O0 -mtriple=x86_64-unknown-linux-gnu -o - %s | FileCheck %s -check-prefix=X640 ; RUN: llc -fast-isel-sink-local-values -O0 -mtriple=i686-unknown -o - %s | FileCheck %s -check-prefix=6860 ; RUN: llc -fast-isel-sink-local-values -mtriple=x86_64-unknown-linux-gnu -o - %s | FileCheck %s -check-prefix=X64 ; RUN: llc -fast-isel-sink-local-values -mtriple=i686-unknown -o - %s | FileCheck %s -check-prefix=686 @var_22 = external global i16, align 2 @var_27 = external global i16, align 2 define void @foo() { ; X640-LABEL: foo: ; X640: # %bb.0: # %bb ; X640-NEXT: movzwl var_22, %eax ; X640-NEXT: movzwl var_27, %ecx ; X640-NEXT: xorl %ecx, %eax ; X640-NEXT: movzwl var_27, %ecx ; X640-NEXT: xorl %ecx, %eax ; X640-NEXT: movslq %eax, %rdx ; X640-NEXT: movq %rdx, -{{[0-9]+}}(%rsp) ; X640-NEXT: movzwl var_22, %eax ; X640-NEXT: movzwl var_27, %ecx ; X640-NEXT: xorl %ecx, %eax ; X640-NEXT: movzwl var_27, %ecx ; X640-NEXT: xorl %ecx, %eax ; X640-NEXT: movslq %eax, %rdx ; X640-NEXT: movzwl var_27, %eax ; X640-NEXT: subl $16610, %eax # imm = 0x40E2 ; X640-NEXT: movl %eax, %eax ; X640-NEXT: movl %eax, %ecx ; X640-NEXT: # kill: def $cl killed $rcx ; X640-NEXT: sarq %cl, %rdx ; X640-NEXT: movb %dl, %cl ; X640-NEXT: # implicit-def: $rdx ; X640-NEXT: movb %cl, (%rdx) ; X640-NEXT: retq ; ; 6860-LABEL: foo: ; 6860: # %bb.0: # %bb ; 6860-NEXT: pushl %ebp ; 6860-NEXT: .cfi_def_cfa_offset 8 ; 6860-NEXT: .cfi_offset %ebp, -8 ; 6860-NEXT: movl %esp, %ebp ; 6860-NEXT: .cfi_def_cfa_register %ebp ; 6860-NEXT: pushl %ebx ; 6860-NEXT: pushl %edi ; 6860-NEXT: pushl %esi ; 6860-NEXT: andl $-8, %esp ; 6860-NEXT: subl $32, %esp ; 6860-NEXT: .cfi_offset %esi, -20 ; 6860-NEXT: .cfi_offset %edi, -16 ; 6860-NEXT: .cfi_offset %ebx, -12 ; 6860-NEXT: movw var_22, %ax ; 6860-NEXT: movzwl var_27, %ecx ; 6860-NEXT: movw %cx, %dx ; 6860-NEXT: xorw %dx, %ax ; 6860-NEXT: # implicit-def: $esi ; 6860-NEXT: movw %ax, %si ; 6860-NEXT: xorl %ecx, %esi ; 6860-NEXT: movw %si, %ax ; 6860-NEXT: movzwl %ax, %ecx ; 6860-NEXT: movl %ecx, {{[0-9]+}}(%esp) ; 6860-NEXT: movl $0, {{[0-9]+}}(%esp) ; 6860-NEXT: movw var_22, %ax ; 6860-NEXT: movzwl var_27, %ecx ; 6860-NEXT: movw %cx, %dx ; 6860-NEXT: xorw %dx, %ax ; 6860-NEXT: # implicit-def: $esi ; 6860-NEXT: movw %ax, %si ; 6860-NEXT: xorl %ecx, %esi ; 6860-NEXT: movw %si, %ax ; 6860-NEXT: movzwl %ax, %esi ; 6860-NEXT: addl $-16610, %ecx # imm = 0xBF1E ; 6860-NEXT: movb %cl, %bl ; 6860-NEXT: xorl %ecx, %ecx ; 6860-NEXT: movl %ecx, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill ; 6860-NEXT: movb %bl, %cl ; 6860-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %edi # 4-byte Reload ; 6860-NEXT: shrdl %cl, %edi, %esi ; 6860-NEXT: testb $32, %bl ; 6860-NEXT: movl %edi, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill ; 6860-NEXT: movl %esi, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill ; 6860-NEXT: jne .LBB0_2 ; 6860-NEXT: # %bb.1: # %bb ; 6860-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %eax # 4-byte Reload ; 6860-NEXT: movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill ; 6860-NEXT: .LBB0_2: # %bb ; 6860-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %eax # 4-byte Reload ; 6860-NEXT: movb %al, %cl ; 6860-NEXT: # implicit-def: $eax ; 6860-NEXT: movb %cl, (%eax) ; 6860-NEXT: leal -12(%ebp), %esp ; 6860-NEXT: popl %esi ; 6860-NEXT: popl %edi ; 6860-NEXT: popl %ebx ; 6860-NEXT: popl %ebp ; 6860-NEXT: .cfi_def_cfa %esp, 4 ; 6860-NEXT: retl ; ; X64-LABEL: foo: ; X64: # %bb.0: # %bb ; X64-NEXT: movzwl {{.*}}(%rip), %eax ; X64-NEXT: movzwl {{.*}}(%rip), %ecx ; X64-NEXT: movl %ecx, %edx ; X64-NEXT: xorl %edx, %edx ; X64-NEXT: xorl %eax, %edx ; X64-NEXT: movzwl %dx, %eax ; X64-NEXT: movq %rax, -{{[0-9]+}}(%rsp) ; X64-NEXT: addl $-16610, %ecx # imm = 0xBF1E ; X64-NEXT: # kill: def $cl killed $cl killed $ecx ; X64-NEXT: shrq %cl, %rax ; X64-NEXT: movb %al, (%rax) ; X64-NEXT: retq ; ; 686-LABEL: foo: ; 686: # %bb.0: # %bb ; 686-NEXT: pushl %ebp ; 686-NEXT: .cfi_def_cfa_offset 8 ; 686-NEXT: .cfi_offset %ebp, -8 ; 686-NEXT: movl %esp, %ebp ; 686-NEXT: .cfi_def_cfa_register %ebp ; 686-NEXT: andl $-8, %esp ; 686-NEXT: subl $8, %esp ; 686-NEXT: movzwl var_22, %eax ; 686-NEXT: movzwl var_27, %ecx ; 686-NEXT: movl %ecx, %edx ; 686-NEXT: xorl %ecx, %edx ; 686-NEXT: xorl %eax, %edx ; 686-NEXT: movzwl %dx, %eax ; 686-NEXT: movl %eax, (%esp) ; 686-NEXT: movl $0, {{[0-9]+}}(%esp) ; 686-NEXT: addl $-16610, %ecx # imm = 0xBF1E ; 686-NEXT: xorl %edx, %edx ; 686-NEXT: shrdl %cl, %edx, %eax ; 686-NEXT: testb $32, %cl ; 686-NEXT: jne .LBB0_2 ; 686-NEXT: # %bb.1: # %bb ; 686-NEXT: movl %eax, %edx ; 686-NEXT: .LBB0_2: # %bb ; 686-NEXT: movb %dl, (%eax) ; 686-NEXT: movl %ebp, %esp ; 686-NEXT: popl %ebp ; 686-NEXT: .cfi_def_cfa %esp, 4 ; 686-NEXT: retl bb: %tmp = alloca i64, align 8 %tmp1 = load i16, i16* @var_22, align 2 %tmp2 = zext i16 %tmp1 to i32 %tmp3 = load i16, i16* @var_27, align 2 %tmp4 = zext i16 %tmp3 to i32 %tmp5 = xor i32 %tmp2, %tmp4 %tmp6 = load i16, i16* @var_27, align 2 %tmp7 = zext i16 %tmp6 to i32 %tmp8 = xor i32 %tmp5, %tmp7 %tmp9 = sext i32 %tmp8 to i64 store i64 %tmp9, i64* %tmp, align 8 %tmp10 = load i16, i16* @var_22, align 2 %tmp11 = zext i16 %tmp10 to i32 %tmp12 = load i16, i16* @var_27, align 2 %tmp13 = zext i16 %tmp12 to i32 %tmp14 = xor i32 %tmp11, %tmp13 %tmp15 = load i16, i16* @var_27, align 2 %tmp16 = zext i16 %tmp15 to i32 %tmp17 = xor i32 %tmp14, %tmp16 %tmp18 = sext i32 %tmp17 to i64 %tmp19 = load i16, i16* @var_27, align 2 %tmp20 = zext i16 %tmp19 to i32 %tmp21 = sub nsw i32 %tmp20, 16610 %tmp22 = zext i32 %tmp21 to i64 %tmp23 = ashr i64 %tmp18, %tmp22 %tmp24 = trunc i64 %tmp23 to i8 store i8 %tmp24, i8* undef, align 1 ret void }