llvm-project/llvm/test/Transforms/InstCombine/cos-2.ll

18 lines
587 B
LLVM

; Test that the cos library call simplifier works correctly.
;
; RUN: opt < %s -instcombine -S | FileCheck %s
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"
declare float @cos(double)
; Check that cos functions with the wrong prototype aren't simplified.
define float @test_no_simplify1(double %d) {
; CHECK: @test_no_simplify1
%neg = fsub double -0.000000e+00, %d
%cos = call float @cos(double %neg)
; CHECK: call float @cos(double %neg)
ret float %cos
}