xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/fast-isel-branch_weights.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s                             -mtriple=x86_64-apple-darwin10 | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -fast-isel -fast-isel-abort=1 -mtriple=x86_64-apple-darwin10 | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; Test if the BBs are reordred according to their branch weights.
5*9880d681SAndroid Build Coastguard Workerdefine i64 @branch_weights_test(i64 %a, i64 %b) {
6*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: branch_weights_test
7*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: success
8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: fail
9*9880d681SAndroid Build Coastguard Worker  %1 = icmp ult i64 %a, %b
10*9880d681SAndroid Build Coastguard Worker  br i1 %1, label %fail, label %success, !prof !0
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Workerfail:
13*9880d681SAndroid Build Coastguard Worker  ret i64 -1
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workersuccess:
16*9880d681SAndroid Build Coastguard Worker  ret i64 0
17*9880d681SAndroid Build Coastguard Worker}
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Worker!0 = !{!"branch_weights", i32 0, i32 2147483647}
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