1; RUN: opt < %s -instcombine -S | FileCheck %s
2
3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
4
5declare float @cos(double)
6declare signext i8 @sqrt(...)
7
8; Check that functions with the wrong prototype aren't simplified.
9
10define float @test_no_simplify1(double %d) {
11; CHECK-LABEL: @test_no_simplify1(
12  %neg = fsub double -0.000000e+00, %d
13  %cos = call float @cos(double %neg)
14; CHECK: call float @cos(double %neg)
15  ret float %cos
16}
17
18define float @test_no_simplify2(double %d) {
19; CHECK-LABEL: @test_no_simplify2(
20  %neg = fneg double %d
21  %cos = call float @cos(double %neg)
22; CHECK: call float @cos(double %neg)
23  ret float %cos
24}
25
26define i8 @bogus_sqrt() {
27  %fake_sqrt = call signext i8 (...) @sqrt()
28  ret i8 %fake_sqrt
29
30; CHECK-LABEL: bogus_sqrt(
31; CHECK-NEXT:  %fake_sqrt = call signext i8 (...) @sqrt()
32; CHECK-NEXT:  ret i8 %fake_sqrt
33}
34
35