Remove Emscripten support

test/CodeGen/JS/insertelement-chains.ll

-; RUN: llc -emscripten-precise-f32 < %s | FileCheck %s
-
-target datalayout = "e-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-p:32:32:32-v128:32:128-n32-S128"
-target triple = "asmjs-unknown-emscripten"
-
-; Basic constructor.
-
-; CHECK: function _test0($x,$y,$z,$w) {
-; CHECK:   $d = SIMD_float32x4($x, $y, $z, $w)
-; CHECK: }
-define <4 x float> @test0(float %x, float %y, float %z, float %w) {
-    %a = insertelement <4 x float> undef, float %x, i32 0
-    %b = insertelement <4 x float> %a, float %y, i32 1
-    %c = insertelement <4 x float> %b, float %z, i32 2
-    %d = insertelement <4 x float> %c, float %w, i32 3
-    ret <4 x float> %d
-}
-
-; Same as test0 but elements inserted in a different order.
-
-; CHECK: function _test1($x,$y,$z,$w) {
-; CHECK:   $d = SIMD_float32x4($x, $y, $z, $w)
-; CHECK: }
-define <4 x float> @test1(float %x, float %y, float %z, float %w) {
-    %a = insertelement <4 x float> undef, float %w, i32 3
-    %b = insertelement <4 x float> %a, float %y, i32 1
-    %c = insertelement <4 x float> %b, float %z, i32 2
-    %d = insertelement <4 x float> %c, float %x, i32 0
-    ret <4 x float> %d
-}
-
-; Overwriting elements.
-
-; CHECK: function _test2($x,$y,$z,$w) {
-; CHECK:   $h = SIMD_float32x4($x, $y, $z, $w)
-; CHECK: }
-define <4 x float> @test2(float %x, float %y, float %z, float %w) {
-    %a = insertelement <4 x float> undef, float %z, i32 0
-    %b = insertelement <4 x float> %a, float %x, i32 0
-    %c = insertelement <4 x float> %b, float %w, i32 1
-    %d = insertelement <4 x float> %c, float %y, i32 1
-    %e = insertelement <4 x float> %d, float %x, i32 2
-    %f = insertelement <4 x float> %e, float %z, i32 2
-    %g = insertelement <4 x float> %f, float %y, i32 3
-    %h = insertelement <4 x float> %g, float %w, i32 3
-    ret <4 x float> %h
-}
-
-; Basic splat testcase.
-
-; CHECK: function _test3($x) {
-; CHECK:   $d = SIMD_float32x4_splat($x)
-; CHECK: }
-define <4 x float> @test3(float %x) {
-    %a = insertelement <4 x float> undef, float %x, i32 0
-    %b = insertelement <4 x float> %a, float %x, i32 1
-    %c = insertelement <4 x float> %b, float %x, i32 2
-    %d = insertelement <4 x float> %c, float %x, i32 3
-    ret <4 x float> %d
-}
-
-; Same as test3 but elements inserted in a different order.
-
-; CHECK: function _test4($x) {
-; CHECK:   $d = SIMD_float32x4_splat($x)
-; CHECK: }
-define <4 x float> @test4(float %x) {
-    %a = insertelement <4 x float> undef, float %x, i32 3
-    %b = insertelement <4 x float> %a, float %x, i32 1
-    %c = insertelement <4 x float> %b, float %x, i32 2
-    %d = insertelement <4 x float> %c, float %x, i32 0
-    ret <4 x float> %d
-}
-
-; Insert chain.
-
-; CHECK: function _test5($x,$y,$z,$w) {
-; CHECK:   $f = SIMD_float32x4_withZ(SIMD_float32x4_withY(SIMD_float32x4_withX(SIMD_float32x4_splat(Math_fround(0)),$x),$y),$z)
-; CHECK: }
-define <4 x float> @test5(float %x, float %y, float %z, float %w) {
-    %a = insertelement <4 x float> undef, float %z, i32 0
-    %b = insertelement <4 x float> %a, float %x, i32 0
-    %c = insertelement <4 x float> %b, float %w, i32 1
-    %d = insertelement <4 x float> %c, float %y, i32 1
-    %e = insertelement <4 x float> %d, float %x, i32 2
-    %f = insertelement <4 x float> %e, float %z, i32 2
-    ret <4 x float> %f
-}
-
-; Splat via insert+shuffle.
-
-; CHECK: function _test6($x) {
-; CHECK:   $b = SIMD_float32x4_splat($x)
-; CHECK: }
-define <4 x float> @test6(float %x) {
-    %a = insertelement <4 x float> undef, float %x, i32 0
-    %b = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> zeroinitializer
-    ret <4 x float> %b
-}