diff --git a/tests/ui/simd/intrinsic/generic-arithmetic-pass.rs b/tests/ui/simd/intrinsic/generic-arithmetic-pass.rs
index 4a18c0164e4b8..29d82255d4eae 100644
--- a/tests/ui/simd/intrinsic/generic-arithmetic-pass.rs
+++ b/tests/ui/simd/intrinsic/generic-arithmetic-pass.rs
@@ -1,6 +1,5 @@
 //@ run-pass
 #![allow(non_camel_case_types)]
-//@ ignore-emscripten FIXME(#45351) hits an LLVM assert
 #![feature(repr_simd, intrinsics)]
 
 #[repr(simd)]
@@ -53,7 +52,6 @@ unsafe fn simd_or<T>(x: T, y: T) -> T;
 #[rustc_intrinsic]
 unsafe fn simd_xor<T>(x: T, y: T) -> T;
 
-
 #[rustc_intrinsic]
 unsafe fn simd_neg<T>(x: T) -> T;
 
diff --git a/tests/ui/simd/intrinsic/generic-cast-pass.rs b/tests/ui/simd/intrinsic/generic-cast-pass.rs
index 2155d84586471..aab7347d1de5e 100644
--- a/tests/ui/simd/intrinsic/generic-cast-pass.rs
+++ b/tests/ui/simd/intrinsic/generic-cast-pass.rs
@@ -1,9 +1,7 @@
 //@ run-pass
-//@ ignore-emscripten FIXME(#45351) hits an LLVM assert
 
 #![feature(repr_simd, intrinsics)]
 
-
 #[rustc_intrinsic]
 unsafe fn simd_cast<T, U>(x: T) -> U;
 
diff --git a/tests/ui/simd/intrinsic/generic-comparison-pass.rs b/tests/ui/simd/intrinsic/generic-comparison-pass.rs
index 68f98372e1dc7..d0ec25036020b 100644
--- a/tests/ui/simd/intrinsic/generic-comparison-pass.rs
+++ b/tests/ui/simd/intrinsic/generic-comparison-pass.rs
@@ -1,5 +1,4 @@
 //@ run-pass
-//@ ignore-emscripten FIXME(#45351) hits an LLVM assert
 
 #![feature(repr_simd, intrinsics, concat_idents)]
 #![allow(non_camel_case_types)]
@@ -14,7 +13,6 @@ struct u32x4(pub [u32; 4]);
 #[derive(Copy, Clone)]
 struct f32x4(pub [f32; 4]);
 
-
 #[rustc_intrinsic]
 unsafe fn simd_eq<T, U>(x: T, y: T) -> U;
 
@@ -39,11 +37,11 @@ macro_rules! cmp {
         let rhs = $rhs;
         let e: u32x4 = concat_idents!(simd_, $method)($lhs, $rhs);
         // assume the scalar version is correct/the behaviour we want.
-        assert!((e.0[0] != 0) == lhs.0[0] .$method(&rhs.0[0]));
-        assert!((e.0[1] != 0) == lhs.0[1] .$method(&rhs.0[1]));
-        assert!((e.0[2] != 0) == lhs.0[2] .$method(&rhs.0[2]));
-        assert!((e.0[3] != 0) == lhs.0[3] .$method(&rhs.0[3]));
-    }}
+        assert!((e.0[0] != 0) == lhs.0[0].$method(&rhs.0[0]));
+        assert!((e.0[1] != 0) == lhs.0[1].$method(&rhs.0[1]));
+        assert!((e.0[2] != 0) == lhs.0[2].$method(&rhs.0[2]));
+        assert!((e.0[3] != 0) == lhs.0[3].$method(&rhs.0[3]));
+    }};
 }
 macro_rules! tests {
     ($($lhs: ident, $rhs: ident;)*) => {{
@@ -75,9 +73,9 @@ fn main() {
     let i2 = i32x4([5, -5, 20, -100]);
     let i3 = i32x4([10, -11, 20, -100]);
 
-    let u1 = u32x4([10, !11+1, 12, 13]);
-    let u2 = u32x4([5, !5+1, 20, !100+1]);
-    let u3 = u32x4([10, !11+1, 20, !100+1]);
+    let u1 = u32x4([10, !11 + 1, 12, 13]);
+    let u2 = u32x4([5, !5 + 1, 20, !100 + 1]);
+    let u3 = u32x4([10, !11 + 1, 20, !100 + 1]);
 
     let f1 = f32x4([10.0, -11.0, 12.0, 13.0]);
     let f2 = f32x4([5.0, -5.0, 20.0, -100.0]);
diff --git a/tests/ui/simd/intrinsic/generic-elements-pass.rs b/tests/ui/simd/intrinsic/generic-elements-pass.rs
index 8cb600bc9e45a..b8d872c5cb77d 100644
--- a/tests/ui/simd/intrinsic/generic-elements-pass.rs
+++ b/tests/ui/simd/intrinsic/generic-elements-pass.rs
@@ -1,5 +1,4 @@
 //@ run-pass
-//@ ignore-emscripten FIXME(#45351) hits an LLVM assert
 
 #![feature(repr_simd, intrinsics)]
 
@@ -22,7 +21,6 @@ unsafe fn simd_insert<T, E>(x: T, idx: u32, y: E) -> T;
 #[rustc_intrinsic]
 unsafe fn simd_extract<T, E>(x: T, idx: u32) -> E;
 
-
 #[rustc_intrinsic]
 unsafe fn simd_shuffle<T, I, U>(x: T, y: T, idx: I) -> U;
 
diff --git a/tests/ui/simd/issue-32947.rs b/tests/ui/simd/issue-32947.rs
index dc5e7a4ec9153..b34484b2d3b54 100644
--- a/tests/ui/simd/issue-32947.rs
+++ b/tests/ui/simd/issue-32947.rs
@@ -1,5 +1,4 @@
 //@ run-pass
-//@ ignore-emscripten FIXME(#45351)
 
 #![feature(repr_simd, test)]
 
@@ -15,9 +14,7 @@ fn main() {
     // non-optimized builds
     unsafe {
         let memory = &mut [0u64; 8] as *mut _ as *mut u8;
-        let misaligned_ptr: &mut [u8; 32] = {
-            std::mem::transmute(memory.offset(1))
-        };
+        let misaligned_ptr: &mut [u8; 32] = { std::mem::transmute(memory.offset(1)) };
         *misaligned_ptr = std::mem::transmute(Mu64([1, 1, 1, 1]));
         test::black_box(memory);
     }
diff --git a/tests/ui/simd/issue-39720.rs b/tests/ui/simd/issue-39720.rs
index 8d7666faaf933..c3c4750d6debe 100644
--- a/tests/ui/simd/issue-39720.rs
+++ b/tests/ui/simd/issue-39720.rs
@@ -1,5 +1,4 @@
 //@ run-pass
-//@ ignore-emscripten FIXME(#45351)
 
 #![feature(repr_simd, intrinsics)]