forked from OSchip/llvm-project
21 lines
664 B
LLVM
21 lines
664 B
LLVM
; 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
|
|
}
|