xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/negative-offset.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -asm-verbose=false | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
4*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu"
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; Test that a constant consisting of a global symbol with a negative offset
7*9880d681SAndroid Build Coastguard Worker; is properly folded and isel'd.
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: negative_offset:
10*9880d681SAndroid Build Coastguard Worker; CHECK: movl   $G, %eax
11*9880d681SAndroid Build Coastguard Worker; CHECK: notq   %rax
12*9880d681SAndroid Build Coastguard Worker; CHECK: addq   %rdi, %rax
13*9880d681SAndroid Build Coastguard Worker; CHECK: retq
14*9880d681SAndroid Build Coastguard Worker@G = external global [8 x i32]
15*9880d681SAndroid Build Coastguard Workerdefine i8* @negative_offset(i8* %a) {
16*9880d681SAndroid Build Coastguard Worker  %t = getelementptr i8, i8* %a, i64 sub (i64 -1, i64 ptrtoint ([8 x i32]* @G to i64))
17*9880d681SAndroid Build Coastguard Worker  ret i8* %t
18*9880d681SAndroid Build Coastguard Worker}
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