1*9880d681SAndroid Build Coastguard Worker; This test verifies that no optimizations are performed on the @f function 2*9880d681SAndroid Build Coastguard Worker; when the -opt-bisect-limit=0 option is used. In particular, the X86 3*9880d681SAndroid Build Coastguard Worker; instruction selector will optimize the cmp instruction to a sub instruction 4*9880d681SAndroid Build Coastguard Worker; if it is not run in -O0 mode. 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker; RUN: llc -O3 -opt-bisect-limit=0 -o - %s | FileCheck %s 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu" 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Workerdefine void @f() { 11*9880d681SAndroid Build Coastguard Workerentry: 12*9880d681SAndroid Build Coastguard Worker %cmp = icmp slt i32 undef, 8 13*9880d681SAndroid Build Coastguard Worker br i1 %cmp, label %middle, label %end 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Workermiddle: 16*9880d681SAndroid Build Coastguard Worker br label %end 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard Workerend: 19*9880d681SAndroid Build Coastguard Worker ret void 20*9880d681SAndroid Build Coastguard Worker} 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Worker; CHECK: cmpl $8, %eax 23