1; RUN: opt < %s -S -passes=inline -inline-threshold=20 | FileCheck %s 2; RUN: opt < %s -S -passes='cgscc(inline)' -inline-threshold=20 | FileCheck %s 3; RUN: opt < %s -S -passes='module-inline' -inline-threshold=20 | FileCheck %s 4; Check that we don't drop FastMathFlag when estimating inlining profitability. 5; 6; In this test we should inline 'foo' to 'boo', because it'll fold to a 7; constant. 8 9target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 10 11define float @foo(ptr %a, float %b) { 12entry: 13 %a0 = load float, ptr %a, align 4 14 %mul = fmul fast float %a0, %b 15 %tobool = fcmp une float %mul, 0.000000e+00 16 br i1 %tobool, label %if.then, label %if.end 17 18if.then: ; preds = %entry 19 %a1 = load float, ptr %a, align 8 20 %arrayidx1 = getelementptr inbounds float, ptr %a, i64 1 21 %a2 = load float, ptr %arrayidx1, align 4 22 %add = fadd fast float %a1, %a2 23 br label %if.end 24 25if.end: ; preds = %if.then, %entry 26 %storemerge = phi float [ %add, %if.then ], [ 1.000000e+00, %entry ] 27 ret float %storemerge 28} 29 30; CHECK-LABEL: @boo 31; CHECK-NOT: call float @foo 32define float @boo(ptr %a) { 33entry: 34 %call = call float @foo(ptr %a, float 0.000000e+00) 35 ret float %call 36} 37