1 ; Test that the cos library call simplifier works correctly.
3 ; RUN: opt < %s -instcombine -S | FileCheck %s -check-prefix=NO-FLOAT-SHRINK
4 ; RUN: opt < %s -instcombine -enable-double-float-shrink -S | FileCheck %s -check-prefix=DO-FLOAT-SHRINK
6 target 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"
8 declare double @cos(double)
10 ; Check cos(-x) -> cos(x);
12 define double @test_simplify1(double %d) {
13 ; NO-FLOAT-SHRINK-LABEL: @test_simplify1(
14 %neg = fsub double -0.000000e+00, %d
15 %cos = call double @cos(double %neg)
16 ; NO-FLOAT-SHRINK: call double @cos(double %d)
20 define float @test_simplify2(float %f) {
21 ; DO-FLOAT-SHRINK-LABEL: @test_simplify2(
22 %conv1 = fpext float %f to double
23 %neg = fsub double -0.000000e+00, %conv1
24 %cos = call double @cos(double %neg)
25 %conv2 = fptrunc double %cos to float
26 ; DO-FLOAT-SHRINK: call float @cosf(float %f)
30 define float @test_simplify3(float %f) {
31 ; NO-FLOAT-SHRINK-LABEL: @test_simplify3(
32 %conv1 = fpext float %f to double
33 %neg = fsub double -0.000000e+00, %conv1
34 %cos = call double @cos(double %neg)
35 ; NO-FLOAT-SHRINK: call double @cos(double %conv1)
36 %conv2 = fptrunc double %cos to float