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
7target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
8
9define float @foo(float* %a, float %b) {
10entry:
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
16if.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
23if.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
30define float @boo(float* %a) {
31entry:
32  %call = call float @foo(float* %a, float 0.000000e+00)
33  ret float %call
34}
35