; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X86 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 @a = common dso_local global i32 0, align 4 @c = common dso_local local_unnamed_addr global i8 0, align 1 @b = common dso_local local_unnamed_addr global ptr null, align 8 define dso_local void @e() { ; X86-LABEL: e: ; X86: # %bb.0: # %entry ; X86-NEXT: movl b, %eax ; X86-NEXT: .p2align 4, 0x90 ; X86-NEXT: .LBB0_1: # %for.cond ; X86-NEXT: # =>This Inner Loop Header: Depth=1 ; X86-NEXT: movzbl c, %ecx ; X86-NEXT: movb $0, c ; X86-NEXT: leal a+2(%ecx), %ecx ; X86-NEXT: movl %ecx, (%eax) ; X86-NEXT: jmp .LBB0_1 ; ; X64-LABEL: e: ; X64: # %bb.0: # %entry ; X64-NEXT: movq b(%rip), %rax ; X64-NEXT: .p2align 4, 0x90 ; X64-NEXT: .LBB0_1: # %for.cond ; X64-NEXT: # =>This Inner Loop Header: Depth=1 ; X64-NEXT: movzbl c(%rip), %ecx ; X64-NEXT: addq $a, %rcx ; X64-NEXT: setb %dl ; X64-NEXT: addq $2, %rcx ; X64-NEXT: adcb $0, %dl ; X64-NEXT: movb %dl, c(%rip) ; X64-NEXT: movl %ecx, (%rax) ; X64-NEXT: jmp .LBB0_1 entry: %0 = load ptr, ptr @b, align 8 br label %for.cond for.cond: %1 = load i8, ptr @c, align 1 %conv = zext i8 %1 to i128 %add = add nuw nsw i128 %conv, add (i128 ptrtoint (ptr @a to i128), i128 2) %2 = lshr i128 %add, 64 %conv1 = trunc i128 %2 to i8 store i8 %conv1, ptr @c, align 1 %conv2 = trunc i128 %add to i32 store i32 %conv2, ptr %0, align 4 br label %for.cond }