xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/testb-je-fusion.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=x86-64 -mcpu=corei7-avx | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; testb should be scheduled right before je to enable macro-fusion.
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; CHECK: testb $2, %{{[abcd]}}h
6*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: je
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdefine i32 @check_flag(i32 %flags, ...) nounwind {
9*9880d681SAndroid Build Coastguard Workerentry:
10*9880d681SAndroid Build Coastguard Worker  %and = and i32 %flags, 512
11*9880d681SAndroid Build Coastguard Worker  %tobool = icmp eq i32 %and, 0
12*9880d681SAndroid Build Coastguard Worker  br i1 %tobool, label %if.end, label %if.then
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Workerif.then:
15*9880d681SAndroid Build Coastguard Worker  br label %if.end
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Workerif.end:
18*9880d681SAndroid Build Coastguard Worker  %hasflag = phi i32 [ 1, %if.then ], [ 0, %entry ]
19*9880d681SAndroid Build Coastguard Worker  ret i32 %hasflag
20*9880d681SAndroid Build Coastguard Worker}
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