xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/fast-isel-expect.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -O0 -march=x86 | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-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@glbl = extern_weak constant i8
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdeclare i64 @llvm.expect.i64(i64, i64)
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerdefine void @test() {
11*9880d681SAndroid Build Coastguard Worker; CHECK: movl $glbl
12*9880d681SAndroid Build Coastguard Worker  %tmp = call i64 @llvm.expect.i64(i64 zext (i1 icmp eq (i8* @glbl, i8* null) to i64), i64 0)
13*9880d681SAndroid Build Coastguard Worker  %tmp2 = icmp ne i64 %tmp, 0
14*9880d681SAndroid Build Coastguard Worker  br i1 %tmp2, label %bb1, label %bb2
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workerbb1:
17*9880d681SAndroid Build Coastguard Worker  unreachable
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Workerbb2:
20*9880d681SAndroid Build Coastguard Worker  unreachable
21*9880d681SAndroid Build Coastguard Worker}
22