C99 runtimes don't have exp2).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131872
91177308-0d34-0410-b5e6-
96231b3b80d8
case 'c':
return Name == "cos" || Name == "ceil" || Name == "cosf" || Name == "cosh";
case 'e':
- return Name == "exp";
+ return Name == "exp" || Name == "exp2";
case 'f':
return Name == "fabs" || Name == "fmod" || Name == "floor";
case 'l':
case 'e':
if (Name == "exp")
return ConstantFoldFP(exp, V, Ty);
+
+ if (Name == "exp2") {
+ // Constant fold exp2(x) as pow(2,x) in case the host doesn't have a
+ // C99 library.
+ return ConstantFoldBinaryFP(pow, 2.0, V, Ty);
+ }
break;
case 'f':
if (Name == "fabs")
declare double @tan(double)
declare double @sqrt(double)
+declare double @exp2(double)
define double @T() {
; CHECK: @T
%b = fadd double %a, %C
%D = call double @sqrt(double 4.000000e+00)
%c = fadd double %b, %D
- ret double %c
+
+ ; PR9315
+ %E = call double @exp2(double 4.0)
+ %d = fadd double %c, %E
+ ret double %d
}
define i1 @test_sse_cvt() nounwind readnone {