Fix wrong derivative mode in test (rust-lang#382)

* Fix wrong derivative mode

* add missing function to tests

Author: tgymnich

enzyme/test/Enzyme/ForwardMode/badcall4.ll

@@ -78,4 +78,13 @@ declare dso_local double @__enzyme_fwddiff(i8*, double*, double*) local_unnamed_
 ; CHECK-NEXT:   store double 3.000000e+00, double* %arrayidx, align 8
 ; CHECK-NEXT:   store double 0.000000e+00, double* %"arrayidx'ipg", align 8
 ; CHECK-NEXT:   ret void
+; CHECK-NEXT: }
+
+; CHECK: define internal {{(dso_local )?}}void @fwddiffeothermetasubf(double* nocapture %x, double* nocapture %"x'")
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   %"arrayidx'ipg" = getelementptr inbounds double, double* %"x'", i64 1
+; CHECK-NEXT:   %arrayidx = getelementptr inbounds double, double* %x, i64 1
+; CHECK-NEXT:   store double 4.000000e+00, double* %arrayidx, align 8
+; CHECK-NEXT:   store double 0.000000e+00, double* %"arrayidx'ipg", align 8
+; CHECK-NEXT:   ret void
 ; CHECK-NEXT: }

enzyme/test/Enzyme/ForwardMode/sin.ll

@@ -9,7 +9,7 @@ entry:
 
 define double @test_derivative(double %x) {
 entry:
-  %0 = tail call double (double (double)*, ...) @__enzyme_autodiff(double (double)* nonnull @tester, double %x)
+  %0 = tail call double (double (double)*, ...) @__enzyme_fwddiff(double (double)* nonnull @tester, double %x, double 1.0)
   ret double %0
 }
 
@@ -20,7 +20,7 @@ declare double @llvm.cos.f64(double)
 declare double @llvm.sin.f64(double)
 
 ; Function Attrs: nounwind
-declare double @__enzyme_autodiff(double (double)*, ...)
+declare double @__enzyme_fwddiff(double (double)*, ...)
 
 ; CHECK: define double @test_derivative(double %x)
 ; CHECK-NEXT: entry: