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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; Test that the exp2 library call simplifier works correctly.3;4; RUN: opt < %s -passes=instcombine -S | FileCheck %s5 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 double15; CHECK-NEXT: [[RET:%.*]] = call float @exp2(double [[CONV]])16; CHECK-NEXT: ret float [[RET]]17;18 %conv = sitofp i32 %x to double19 %ret = call float @exp2(double %conv)20 ret float %ret21}22