1 ; RUN: opt < %s -S -inline -inline-threshold=20 | FileCheck %s 2 ; Check that we don't drop FastMathFlag when estimating inlining profitability. 3 ; 4 ; In this test we should inline 'foo' to 'boo', because it'll fold to a 5 ; constant. 6 7 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 8 9 define float @foo(float* %a, float %b) { 10 entry: 11 %a0 = load float, float* %a, align 4 12 %mul = fmul fast float %a0, %b 13 %tobool = fcmp une float %mul, 0.000000e+00 14 br i1 %tobool, label %if.then, label %if.end 15 16 if.then: ; preds = %entry 17 %a1 = load float, float* %a, align 8 18 %arrayidx1 = getelementptr inbounds float, float* %a, i64 1 19 %a2 = load float, float* %arrayidx1, align 4 20 %add = fadd fast float %a1, %a2 21 br label %if.end 22 23 if.end: ; preds = %if.then, %entry 24 %storemerge = phi float [ %add, %if.then ], [ 1.000000e+00, %entry ] 25 ret float %storemerge 26 } 27 28 ; CHECK-LABEL: @boo 29 ; CHECK-NOT: call float @foo 30 define float @boo(float* %a) { 31 entry: 32 %call = call float @foo(float* %a, float 0.000000e+00) 33 ret float %call 34 } 35
