Revert "aarch64: reenable tests that are no longer regressed"

This reverts commit 3370d58956.

This commit was done with an LLVM build that did not have assertions
enabled. There are LLVM assertions being triggered due to this commit.

Reopens #10627
Reopens #12013
Reopens #12027

lib/std/fmt/parse_float.zig

@@ -70,6 +70,11 @@ test "fmt.parseFloat" {
 }
 
 test "fmt.parseFloat nan and inf" {
+    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
+        // https://github.com/ziglang/zig/issues/12027
+        return error.SkipZigTest;
+    }
+
     inline for ([_]type{ f16, f32, f64, f128 }) |T| {
         const Z = std.meta.Int(.unsigned, @typeInfo(T).Float.bits);
 

lib/std/math.zig

@@ -530,6 +530,10 @@ pub fn shl(comptime T: type, a: T, shift_amt: anytype) T {
 }
 
 test "shl" {
+    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
+        // https://github.com/ziglang/zig/issues/12012
+        return error.SkipZigTest;
+    }
     try testing.expect(shl(u8, 0b11111111, @as(usize, 3)) == 0b11111000);
     try testing.expect(shl(u8, 0b11111111, @as(usize, 8)) == 0);
     try testing.expect(shl(u8, 0b11111111, @as(usize, 9)) == 0);
@@ -570,6 +574,10 @@ pub fn shr(comptime T: type, a: T, shift_amt: anytype) T {
 }
 
 test "shr" {
+    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
+        // https://github.com/ziglang/zig/issues/12012
+        return error.SkipZigTest;
+    }
     try testing.expect(shr(u8, 0b11111111, @as(usize, 3)) == 0b00011111);
     try testing.expect(shr(u8, 0b11111111, @as(usize, 8)) == 0);
     try testing.expect(shr(u8, 0b11111111, @as(usize, 9)) == 0);
@@ -611,6 +619,10 @@ pub fn rotr(comptime T: type, x: T, r: anytype) T {
 }
 
 test "rotr" {
+    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
+        // https://github.com/ziglang/zig/issues/12012
+        return error.SkipZigTest;
+    }
     try testing.expect(rotr(u0, 0b0, @as(usize, 3)) == 0b0);
     try testing.expect(rotr(u5, 0b00001, @as(usize, 0)) == 0b00001);
     try testing.expect(rotr(u6, 0b000001, @as(usize, 7)) == 0b100000);
@@ -651,6 +663,10 @@ pub fn rotl(comptime T: type, x: T, r: anytype) T {
 }
 
 test "rotl" {
+    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
+        // https://github.com/ziglang/zig/issues/12012
+        return error.SkipZigTest;
+    }
     try testing.expect(rotl(u0, 0b0, @as(usize, 3)) == 0b0);
     try testing.expect(rotl(u5, 0b00001, @as(usize, 0)) == 0b00001);
     try testing.expect(rotl(u6, 0b000001, @as(usize, 7)) == 0b000010);

lib/std/simd.zig

@@ -191,6 +191,10 @@ pub fn extract(
 }
 
 test "vector patterns" {
+    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
+        // https://github.com/ziglang/zig/issues/12012
+        return error.SkipZigTest;
+    }
     const base = @Vector(4, u32){ 10, 20, 30, 40 };
     const other_base = @Vector(4, u32){ 55, 66, 77, 88 };
 

test/behavior/atomics.zig

@@ -151,6 +151,11 @@ test "cmpxchg on a global variable" {
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
 
+    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
+        // https://github.com/ziglang/zig/issues/10627
+        return error.SkipZigTest;
+    }
+
     _ = @cmpxchgWeak(u32, &a_global_variable, 1234, 42, .Acquire, .Monotonic);
     try expect(a_global_variable == 42);
 }
@@ -213,6 +218,12 @@ test "atomicrmw with floats" {
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
 
+    if ((builtin.zig_backend == .stage2_llvm or builtin.zig_backend == .stage2_c) and
+        builtin.cpu.arch == .aarch64)
+    {
+        // https://github.com/ziglang/zig/issues/10627
+        return error.SkipZigTest;
+    }
     try testAtomicRmwFloat();
     comptime try testAtomicRmwFloat();
 }

test/behavior/math.zig

@@ -166,6 +166,12 @@ test "@ctz vectors" {
     if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
+    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
+        // This regressed with LLVM 14:
+        // https://github.com/ziglang/zig/issues/12013
+        return error.SkipZigTest;
+    }
+
     try testCtzVectors();
     comptime try testCtzVectors();
 }

test/behavior/vector.zig

@@ -181,6 +181,12 @@ test "tuple to vector" {
     if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
 
+    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
+        // Regressed with LLVM 14:
+        // https://github.com/ziglang/zig/issues/12012
+        return error.SkipZigTest;
+    }
+
     const S = struct {
         fn doTheTest() !void {
             const Vec3 = @Vector(3, i32);