1 ; RUN: opt < %s -simplifycfg -S | FileCheck %s 2 3 define float @clamp(float %a, float %b, float %c) { 4 ; CHECK-LABEL: @clamp 5 ; CHECK: %cmp = fcmp ogt float %a, %c 6 ; CHECK: %cmp1 = fcmp olt float %a, %b 7 ; CHECK: %cond = select i1 %cmp1, float %b, float %a 8 ; CHECK: %cond5 = select i1 %cmp, float %c, float %cond 9 ; CHECK: ret float %cond5 10 entry: 11 %cmp = fcmp ogt float %a, %c 12 br i1 %cmp, label %cond.end4, label %cond.false 13 14 cond.false: ; preds = %entry 15 %cmp1 = fcmp olt float %a, %b 16 %cond = select i1 %cmp1, float %b, float %a 17 br label %cond.end4 18 19 cond.end4: ; preds = %entry, %cond.false 20 %cond5 = phi float [ %cond, %cond.false ], [ %c, %entry ] 21 ret float %cond5 22 } 23
