diff --git a/src/library.js b/src/library.js
index 7b21ac415b687..fabc1b0a0caa2 100644
--- a/src/library.js
+++ b/src/library.js
@@ -1356,6 +1356,8 @@ LibraryManager.library = {
   llvm_log_f64: 'Math_log',
   llvm_exp_f32: 'Math_exp',
   llvm_exp_f64: 'Math_exp',
+  llvm_sin_f32: 'Math_sin',
+  llvm_sin_f64: 'Math_sin',
   llvm_trunc_f32: 'Math_trunc',
   llvm_trunc_f64: 'Math_trunc',
   llvm_floor_f32: 'Math_floor',
diff --git a/tests/core/test_llvm_intrinsics.in b/tests/core/test_llvm_intrinsics.in
index 04f60ed6648eb..8b59e3376e29b 100644
--- a/tests/core/test_llvm_intrinsics.in
+++ b/tests/core/test_llvm_intrinsics.in
@@ -17,6 +17,8 @@ extern float llvm_trunc_f32(float x);
 extern double llvm_trunc_f64(double x);
 extern float llvm_floor_f32(float x);
 extern double llvm_floor_f64(double x);
+extern float llvm_sin_f32(float x);
+extern double llvm_sin_f64(double x);
 }
 
 int main(void) {
@@ -52,6 +54,8 @@ int main(void) {
   printf("%d\n", (int)llvm_trunc_f64(-12.42));
   printf("%d\n", (int)llvm_floor_f32(27.665f));
   printf("%d\n", (int)llvm_floor_f64(-8.95));
+  printf("%.1f\n", llvm_sin_f32(90.0f * 3.14/180));
+  printf("%.1f\n", llvm_sin_f64(270.0 * 3.14/180));
 
   return 0;
 }
diff --git a/tests/core/test_llvm_intrinsics.out b/tests/core/test_llvm_intrinsics.out
index 5a137f8765ec4..39fa3392ce155 100644
--- a/tests/core/test_llvm_intrinsics.out
+++ b/tests/core/test_llvm_intrinsics.out
@@ -13,4 +13,6 @@ c5,de,15,8a
 18
 -12
 27
--9
\ No newline at end of file
+-9
+1.0
+-1.0
\ No newline at end of file