xref: /aosp_15_r20/external/llvm/test/Transforms/SimplifyCFG/clamp.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -simplifycfg -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdefine float @clamp(float %a, float %b, float %c) {
4*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @clamp
5*9880d681SAndroid Build Coastguard Worker; CHECK:  %cmp = fcmp ogt float %a, %c
6*9880d681SAndroid Build Coastguard Worker; CHECK:  %cmp1 = fcmp olt float %a, %b
7*9880d681SAndroid Build Coastguard Worker; CHECK:  %cond = select i1 %cmp1, float %b, float %a
8*9880d681SAndroid Build Coastguard Worker; CHECK:  %cond5 = select i1 %cmp, float %c, float %cond
9*9880d681SAndroid Build Coastguard Worker; CHECK:  ret float %cond5
10*9880d681SAndroid Build Coastguard Workerentry:
11*9880d681SAndroid Build Coastguard Worker  %cmp = fcmp ogt float %a, %c
12*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %cond.end4, label %cond.false
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Workercond.false:                                       ; preds = %entry
15*9880d681SAndroid Build Coastguard Worker  %cmp1 = fcmp olt float %a, %b
16*9880d681SAndroid Build Coastguard Worker  %cond = select i1 %cmp1, float %b, float %a
17*9880d681SAndroid Build Coastguard Worker  br label %cond.end4
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Workercond.end4:                                        ; preds = %entry, %cond.false
20*9880d681SAndroid Build Coastguard Worker  %cond5 = phi float [ %cond, %cond.false ], [ %c, %entry ]
21*9880d681SAndroid Build Coastguard Worker  ret float %cond5
22*9880d681SAndroid Build Coastguard Worker}
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