1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; Test that the exp2 library call simplifier works correctly. 3; 4; RUN: opt < %s -passes=instcombine -S | FileCheck %s 5 6target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" 7 8declare float @exp2(double) 9 10; Check that exp2 functions with the wrong prototype aren't simplified. 11 12define float @test_no_simplify1(i32 %x) { 13; CHECK-LABEL: @test_no_simplify1( 14; CHECK-NEXT: [[CONV:%.*]] = sitofp i32 [[X:%.*]] to double 15; CHECK-NEXT: [[RET:%.*]] = call float @exp2(double [[CONV]]) 16; CHECK-NEXT: ret float [[RET]] 17; 18 %conv = sitofp i32 %x to double 19 %ret = call float @exp2(double %conv) 20 ret float %ret 21} 22