blob: 78ac9f29b16d0db59d96ca777098918d6f2ce9b7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s --check-prefix=X64
; The load should not be merged with the and asit causes a cycle in the DAG.
define void @foo() {
; X64-LABEL: foo:
; X64: # %bb.0: # %entry
; X64-NEXT: pushq %rbx
; X64-NEXT: .cfi_def_cfa_offset 16
; X64-NEXT: .cfi_offset %rbx, -16
; X64-NEXT: movl (%rax), %ebx
; X64-NEXT: callq bar
; X64-NEXT: testl %ebx, %eax
; X64-NEXT: jne .LBB0_2
; X64-NEXT: # %bb.1: # %if.then
; X64-NEXT: popq %rbx
; X64-NEXT: retq
; X64-NEXT: .LBB0_2: # %if.end
entry:
%0 = load i32, i32* undef
%call = tail call i32 @bar()
%and = and i32 %call, %0
%tobool = icmp eq i32 %and, 0
br i1 %tobool, label %if.then, label %if.end
if.then:
ret void
if.end:
unreachable
}
declare i32 @bar()
|
