| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s | FileCheck %s |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Test that a constant consisting of a global symbol with a negative offset |
| ; is properly folded and isel'd. |
| |
| @G = external global [8 x i32] |
| define i8* @negative_offset(i8* %a) { |
| ; CHECK-LABEL: negative_offset: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl $G, %eax |
| ; CHECK-NEXT: notq %rax |
| ; CHECK-NEXT: addq %rdi, %rax |
| ; CHECK-NEXT: retq |
| %t = getelementptr i8, i8* %a, i64 sub (i64 -1, i64 ptrtoint ([8 x i32]* @G to i64)) |
| ret i8* %t |
| } |
