[llvm] f7868f8 - [WebAssembly] Autogenerate tests for simd-select.ll

Thomas Lively via llvm-commits llvm-commits at lists.llvm.org
Thu Jul 16 11:19:17 PDT 2020


Author: Thomas Lively
Date: 2020-07-16T11:19:09-07:00
New Revision: f7868f87accb1941bced3b8ff2debc8d56d53c3e

URL: https://github.com/llvm/llvm-project/commit/f7868f87accb1941bced3b8ff2debc8d56d53c3e
DIFF: https://github.com/llvm/llvm-project/commit/f7868f87accb1941bced3b8ff2debc8d56d53c3e.diff

LOG: [WebAssembly] Autogenerate tests for simd-select.ll

Updating the simd-select.ll tests manually with consistent named
regexps for the register numbers was taking more time than it was
worth, so this patch updates that test file to have autogenerated
output. This is not a significant readability regression because the
tests in that file are all very small.

Depends on D83734.

Differential Revision: https://reviews.llvm.org/D83736

Added: 
    

Modified: 
    llvm/test/CodeGen/WebAssembly/simd-select.ll

Removed: 
    


################################################################################
diff  --git a/llvm/test/CodeGen/WebAssembly/simd-select.ll b/llvm/test/CodeGen/WebAssembly/simd-select.ll
index 553cfe83f86c..ba9de0865587 100644
--- a/llvm/test/CodeGen/WebAssembly/simd-select.ll
+++ b/llvm/test/CodeGen/WebAssembly/simd-select.ll
@@ -1,6 +1,7 @@
-; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=+unimplemented-simd128 | FileCheck %s
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -verify-machineinstrs -mattr=+unimplemented-simd128 | FileCheck %s
 
-; Test that vector selects of various varieties lower correctly to bitselects.
+; Test that vector selects of various varieties lower correctly.
 
 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
 target triple = "wasm32-unknown-unknown"
@@ -8,509 +9,646 @@ target triple = "wasm32-unknown-unknown"
 ; ==============================================================================
 ; 16 x i8
 ; ==============================================================================
-; CHECK-LABEL: vselect_v16i8:
-; CHECK-NEXT: .functype vselect_v16i8 (v128, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 7{{$}}
-; CHECK-NEXT: i8x16.shl $push[[L1:[0-9]+]]=, $0, $pop[[L0]]{{$}}
-; CHECK-NEXT: i32.const $push[[L2:[0-9]+]]=, 7{{$}}
-; CHECK-NEXT: i8x16.shr_s $push[[L3:[0-9]+]]=, $pop[[L1]], $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <16 x i8> @vselect_v16i8(<16 x i1> %c, <16 x i8> %x, <16 x i8> %y) {
+; CHECK-LABEL: vselect_v16i8:
+; CHECK:         .functype vselect_v16i8 (v128, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.const 7
+; CHECK-NEXT:    i8x16.shl
+; CHECK-NEXT:    i32.const 7
+; CHECK-NEXT:    i8x16.shr_s
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %res = select <16 x i1> %c, <16 x i8> %x, <16 x i8> %y
   ret <16 x i8> %res
 }
 
-; CHECK-LABEL: vselect_cmp_v16i8:
-; CHECK-NEXT: .functype vselect_cmp_v16i8 (v128, v128, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i8x16.lt_s $push[[L0:[0-9]+]]=, $0, $1{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $2, $3, $pop[[L0]]{{$}}
-; CHECK-NEXT: return  $pop[[R]]{{$}}
 define <16 x i8> @vselect_cmp_v16i8(<16 x i8> %a, <16 x i8> %b,
+; CHECK-LABEL: vselect_cmp_v16i8:
+; CHECK:         .functype vselect_cmp_v16i8 (v128, v128, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 3
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    i8x16.lt_s
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
                                     <16 x i8> %x, <16 x i8> %y) {
   %c = icmp slt <16 x i8> %a, %b
   %res = select <16 x i1> %c, <16 x i8> %x, <16 x i8> %y
   ret <16 x i8> %res
 }
 
-; CHECK-LABEL: select_v16i8:
-; CHECK-NEXT: .functype select_v16i8 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i32.const $push[[L1:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i32.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i8x16.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <16 x i8> @select_v16i8(i1 zeroext %c, <16 x i8> %x, <16 x i8> %y) {
+; CHECK-LABEL: select_v16i8:
+; CHECK:         .functype select_v16i8 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i32.const -1
+; CHECK-NEXT:    i32.const 0
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.select
+; CHECK-NEXT:    i8x16.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %res = select i1 %c, <16 x i8> %x, <16 x i8> %y
   ret <16 x i8> %res
 }
 
-; CHECK-LABEL: select_cmp_v16i8:
-; CHECK-NEXT: .functype select_cmp_v16i8 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 31
-; CHECK-NEXT: i32.shr_s $push[[L1:[0-9]+]]=, $0, $pop[[L0]]{{$}}
-; CHECK-NEXT: i8x16.splat $push[[L2:[0-9]+]]=, $pop[[L1]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L2]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <16 x i8> @select_cmp_v16i8(i32 %i, <16 x i8> %x, <16 x i8> %y) {
+; CHECK-LABEL: select_cmp_v16i8:
+; CHECK:         .functype select_cmp_v16i8 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.const 31
+; CHECK-NEXT:    i32.shr_s
+; CHECK-NEXT:    i8x16.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp slt i32 %i, 0
   %res = select i1 %c, <16 x i8> %x, <16 x i8> %y
   ret <16 x i8> %res
 }
 
-; CHECK-LABEL: select_ne_v16i8:
-; CHECK-NEXT: .functype select_ne_v16i8 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i32.const $push[[L1:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i32.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i8x16.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <16 x i8> @select_ne_v16i8(i32 %i, <16 x i8> %x, <16 x i8> %y) {
+; CHECK-LABEL: select_ne_v16i8:
+; CHECK:         .functype select_ne_v16i8 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i32.const -1
+; CHECK-NEXT:    i32.const 0
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.select
+; CHECK-NEXT:    i8x16.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp ne i32 %i, 0
   %res = select i1 %c, <16 x i8> %x, <16 x i8> %y
   ret <16 x i8> %res
 }
 
-; CHECK-LABEL: select_eq_v16i8:
-; CHECK-NEXT: .functype select_eq_v16i8 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i32.const $push[[L1:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i32.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i8x16.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <16 x i8> @select_eq_v16i8(i32 %i, <16 x i8> %x, <16 x i8> %y) {
+; CHECK-LABEL: select_eq_v16i8:
+; CHECK:         .functype select_eq_v16i8 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i32.const 0
+; CHECK-NEXT:    i32.const -1
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.select
+; CHECK-NEXT:    i8x16.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp eq i32 %i, 0
   %res = select i1 %c, <16 x i8> %x, <16 x i8> %y
   ret <16 x i8> %res
 }
 
-; ==============================================================================
-; 8 x i16
-; ==============================================================================
-; CHECK-LABEL: vselect_v8i16:
-; CHECK-NEXT: .functype vselect_v8i16 (v128, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 15{{$}}
-; CHECK-NEXT: i16x8.shl $push[[L1:[0-9]+]]=, $0, $pop[[L0]]{{$}}
-; CHECK-NEXT: i32.const $push[[L2:[0-9]+]]=, 15{{$}}
-; CHECK-NEXT: i16x8.shr_s $push[[L3:[0-9]+]]=, $pop[[L1]], $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <8 x i16> @vselect_v8i16(<8 x i1> %c, <8 x i16> %x, <8 x i16> %y) {
+; CHECK-LABEL: vselect_v8i16:
+; CHECK:         .functype vselect_v8i16 (v128, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.const 15
+; CHECK-NEXT:    i16x8.shl
+; CHECK-NEXT:    i32.const 15
+; CHECK-NEXT:    i16x8.shr_s
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %res = select <8 x i1> %c, <8 x i16> %x, <8 x i16> %y
   ret <8 x i16> %res
 }
 
-; CHECK-LABEL: vselect_cmp_v8i16:
-; CHECK-NEXT: .functype vselect_cmp_v8i16 (v128, v128, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i16x8.lt_s $push[[L0:[0-9]+]]=, $0, $1{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $2, $3, $pop[[L0]]{{$}}
-; CHECK-NEXT: return  $pop[[R]]{{$}}
 define <8 x i16> @vselect_cmp_v8i16(<8 x i16> %a, <8 x i16> %b,
+; CHECK-LABEL: vselect_cmp_v8i16:
+; CHECK:         .functype vselect_cmp_v8i16 (v128, v128, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 3
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    i16x8.lt_s
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
                                            <8 x i16> %x, <8 x i16> %y) {
   %c = icmp slt <8 x i16> %a, %b
   %res = select <8 x i1> %c, <8 x i16> %x, <8 x i16> %y
   ret <8 x i16> %res
 }
 
-; CHECK-LABEL: select_v8i16:
-; CHECK-NEXT: .functype select_v8i16 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i32.const $push[[L1:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i32.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i16x8.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <8 x i16> @select_v8i16(i1 zeroext %c, <8 x i16> %x, <8 x i16> %y) {
+; CHECK-LABEL: select_v8i16:
+; CHECK:         .functype select_v8i16 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i32.const -1
+; CHECK-NEXT:    i32.const 0
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.select
+; CHECK-NEXT:    i16x8.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %res = select i1 %c, <8 x i16> %x, <8 x i16> %y
   ret <8 x i16> %res
 }
 
-; CHECK-LABEL: select_cmp_v8i16:
-; CHECK-NEXT: .functype select_cmp_v8i16 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 31{{$}}
-; CHECK-NEXT: i32.shr_s $push[[L1:[0-9]+]]=, $0, $pop[[L0]]{{$}}
-; CHECK-NEXT: i16x8.splat $push[[L2:[0-9]+]]=, $pop[[L1]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L2]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <8 x i16> @select_cmp_v8i16(i32 %i, <8 x i16> %x, <8 x i16> %y) {
+; CHECK-LABEL: select_cmp_v8i16:
+; CHECK:         .functype select_cmp_v8i16 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.const 31
+; CHECK-NEXT:    i32.shr_s
+; CHECK-NEXT:    i16x8.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp slt i32 %i, 0
   %res = select i1 %c, <8 x i16> %x, <8 x i16> %y
   ret <8 x i16> %res
 }
 
-; CHECK-LABEL: select_ne_v8i16:
-; CHECK-NEXT: .functype select_ne_v8i16 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i32.const $push[[L1:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i32.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i16x8.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <8 x i16> @select_ne_v8i16(i32 %i, <8 x i16> %x, <8 x i16> %y) {
+; CHECK-LABEL: select_ne_v8i16:
+; CHECK:         .functype select_ne_v8i16 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i32.const -1
+; CHECK-NEXT:    i32.const 0
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.select
+; CHECK-NEXT:    i16x8.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp ne i32 %i, 0
   %res = select i1 %c, <8 x i16> %x, <8 x i16> %y
   ret <8 x i16> %res
 }
 
-; CHECK-LABEL: select_eq_v8i16:
-; CHECK-NEXT: .functype select_eq_v8i16 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i32.const $push[[L1:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i32.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i16x8.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <8 x i16> @select_eq_v8i16(i32 %i, <8 x i16> %x, <8 x i16> %y) {
+; CHECK-LABEL: select_eq_v8i16:
+; CHECK:         .functype select_eq_v8i16 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i32.const 0
+; CHECK-NEXT:    i32.const -1
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.select
+; CHECK-NEXT:    i16x8.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp eq i32 %i, 0
   %res = select i1 %c, <8 x i16> %x, <8 x i16> %y
   ret <8 x i16> %res
 }
 
-; ==============================================================================
-; 4 x i32
-; ==============================================================================
-; CHECK-LABEL: vselect_v4i32:
-; CHECK-NEXT: .functype vselect_v4i32 (v128, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 31{{$}}
-; CHECK-NEXT: i32x4.shl $push[[L1:[0-9]+]]=, $0, $pop[[L0]]{{$}}
-; CHECK-NEXT: i32.const $push[[L2:[0-9]+]]=, 31{{$}}
-; CHECK-NEXT: i32x4.shr_s $push[[L3:[0-9]+]]=, $pop[[L1]], $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <4 x i32> @vselect_v4i32(<4 x i1> %c, <4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: vselect_v4i32:
+; CHECK:         .functype vselect_v4i32 (v128, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.const 31
+; CHECK-NEXT:    i32x4.shl
+; CHECK-NEXT:    i32.const 31
+; CHECK-NEXT:    i32x4.shr_s
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %res = select <4 x i1> %c, <4 x i32> %x, <4 x i32> %y
   ret <4 x i32> %res
 }
 
-; CHECK-LABEL: vselect_cmp_v4i32:
-; CHECK-NEXT: .functype vselect_cmp_v4i32 (v128, v128, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32x4.lt_s $push[[L0:[0-9]+]]=, $0, $1{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $2, $3, $pop[[L0]]{{$}}
-; CHECK-NEXT: return  $pop[[R]]{{$}}
 define <4 x i32> @vselect_cmp_v4i32(<4 x i32> %a, <4 x i32> %b,
+; CHECK-LABEL: vselect_cmp_v4i32:
+; CHECK:         .functype vselect_cmp_v4i32 (v128, v128, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 3
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    i32x4.lt_s
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
                                     <4 x i32> %x, <4 x i32> %y) {
   %c = icmp slt <4 x i32> %a, %b
   %res = select <4 x i1> %c, <4 x i32> %x, <4 x i32> %y
   ret <4 x i32> %res
 }
 
-; CHECK-LABEL: select_v4i32:
-; CHECK-NEXT: .functype select_v4i32 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i32.const $push[[L1:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i32.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i32x4.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <4 x i32> @select_v4i32(i1 zeroext %c, <4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: select_v4i32:
+; CHECK:         .functype select_v4i32 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i32.const -1
+; CHECK-NEXT:    i32.const 0
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.select
+; CHECK-NEXT:    i32x4.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %res = select i1 %c, <4 x i32> %x, <4 x i32> %y
   ret <4 x i32> %res
 }
 
-; CHECK-LABEL: select_cmp_v4i32:
-; CHECK-NEXT: .functype select_cmp_v4i32 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 31{{$}}
-; CHECK-NEXT: i32.shr_s $push[[L1:[0-9]+]]=, $0, $pop[[L0]]{{$}}
-; CHECK-NEXT: i32x4.splat $push[[L2:[0-9]+]]=, $pop[[L1]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L2]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <4 x i32> @select_cmp_v4i32(i32 %i, <4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: select_cmp_v4i32:
+; CHECK:         .functype select_cmp_v4i32 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.const 31
+; CHECK-NEXT:    i32.shr_s
+; CHECK-NEXT:    i32x4.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp slt i32 %i, 0
   %res = select i1 %c, <4 x i32> %x, <4 x i32> %y
   ret <4 x i32> %res
 }
 
-; CHECK-LABEL: select_ne_v4i32:
-; CHECK-NEXT: .functype select_ne_v4i32 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i32.const $push[[L1:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i32.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i32x4.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <4 x i32> @select_ne_v4i32(i32 %i, <4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: select_ne_v4i32:
+; CHECK:         .functype select_ne_v4i32 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i32.const -1
+; CHECK-NEXT:    i32.const 0
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.select
+; CHECK-NEXT:    i32x4.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp ne i32 %i, 0
   %res = select i1 %c, <4 x i32> %x, <4 x i32> %y
   ret <4 x i32> %res
 }
 
-; CHECK-LABEL: select_eq_v4i32:
-; CHECK-NEXT: .functype select_eq_v4i32 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i32.const $push[[L1:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i32.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i32x4.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <4 x i32> @select_eq_v4i32(i32 %i, <4 x i32> %x, <4 x i32> %y) {
+; CHECK-LABEL: select_eq_v4i32:
+; CHECK:         .functype select_eq_v4i32 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i32.const 0
+; CHECK-NEXT:    i32.const -1
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.select
+; CHECK-NEXT:    i32x4.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp eq i32 %i, 0
   %res = select i1 %c, <4 x i32> %x, <4 x i32> %y
   ret <4 x i32> %res
 }
 
-; ==============================================================================
-; 2 x i64
-; ==============================================================================
-; CHECK-LABEL: vselect_v2i64:
-; CHECK-NEXT: .functype vselect_v2i64 (v128, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 63{{$}}
-; CHECK-NEXT: i64x2.shl $push[[L1:[0-9]+]]=, $0, $pop[[L0]]{{$}}
-; CHECK-NEXT: i32.const $push[[L2:[0-9]+]]=, 63{{$}}
-; CHECK-NEXT: i64x2.shr_s $push[[L3:[0-9]+]]=, $pop[[L1]], $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <2 x i64> @vselect_v2i64(<2 x i1> %c, <2 x i64> %x, <2 x i64> %y) {
+; CHECK-LABEL: vselect_v2i64:
+; CHECK:         .functype vselect_v2i64 (v128, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.const 63
+; CHECK-NEXT:    i64x2.shl
+; CHECK-NEXT:    i32.const 63
+; CHECK-NEXT:    i64x2.shr_s
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %res = select <2 x i1> %c, <2 x i64> %x, <2 x i64> %y
   ret <2 x i64> %res
 }
 
-; CHECK-LABEL: vselect_cmp_v2i64:
-; CHECK-NEXT: .functype vselect_cmp_v2i64 (v128, v128, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i64.const $push[[L0:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i64.const $push[[L1:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i64x2.extract_lane $push[[L2:[0-9]+]]=, $0, 0{{$}}
-; CHECK-NEXT: i64x2.extract_lane $push[[L3:[0-9]+]]=, $1, 0{{$}}
-; CHECK-NEXT: i64.lt_s $push[[L4:[0-9]+]]=, $pop[[L2]], $pop[[L3]]{{$}}
-; CHECK-NEXT: i64.select $push[[L5:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $pop[[L4]]{{$}}
-; CHECK-NEXT: i64x2.splat $push[[L6:[0-9]+]]=, $pop[[L5]]{{$}}
-; CHECK-NEXT: i64.const $push[[L7:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i64.const $push[[L8:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i64x2.extract_lane $push[[L9:[0-9]+]]=, $0, 1{{$}}
-; CHECK-NEXT: i64x2.extract_lane $push[[L10:[0-9]+]]=, $1, 1{{$}}
-; CHECK-NEXT: i64.lt_s $push[[L11:[0-9]+]]=, $pop[[L9]], $pop[[L10]]{{$}}
-; CHECK-NEXT: i64.select $push[[L12:[0-9]+]]=, $pop[[L7]], $pop[[L8]], $pop[[L11]]{{$}}
-; CHECK-NEXT: i64x2.replace_lane $push[[L13:[0-9]+]]=, $pop[[L6]], 1, $pop[[L12]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $2, $3, $pop[[L13]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <2 x i64> @vselect_cmp_v2i64(<2 x i64> %a, <2 x i64> %b,
+; CHECK-LABEL: vselect_cmp_v2i64:
+; CHECK:         .functype vselect_cmp_v2i64 (v128, v128, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 3
+; CHECK-NEXT:    i64.const -1
+; CHECK-NEXT:    i64.const 0
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i64x2.extract_lane 0
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    i64x2.extract_lane 0
+; CHECK-NEXT:    i64.lt_s
+; CHECK-NEXT:    i64.select
+; CHECK-NEXT:    i64x2.splat
+; CHECK-NEXT:    i64.const -1
+; CHECK-NEXT:    i64.const 0
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i64x2.extract_lane 1
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    i64x2.extract_lane 1
+; CHECK-NEXT:    i64.lt_s
+; CHECK-NEXT:    i64.select
+; CHECK-NEXT:    i64x2.replace_lane 1
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
                                     <2 x i64> %x, <2 x i64> %y) {
   %c = icmp slt <2 x i64> %a, %b
   %res = select <2 x i1> %c, <2 x i64> %x, <2 x i64> %y
   ret <2 x i64> %res
 }
 
-; CHECK-LABEL: select_v2i64:
-; CHECK-NEXT: .functype select_v2i64 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i64.const $push[[L0:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i64.const $push[[L1:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i64.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i64x2.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <2 x i64> @select_v2i64(i1 zeroext %c, <2 x i64> %x, <2 x i64> %y) {
+; CHECK-LABEL: select_v2i64:
+; CHECK:         .functype select_v2i64 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i64.const -1
+; CHECK-NEXT:    i64.const 0
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i64.select
+; CHECK-NEXT:    i64x2.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %res = select i1 %c, <2 x i64> %x, <2 x i64> %y
   ret <2 x i64> %res
 }
 
-; CHECK-LABEL: select_cmp_v2i64:
-; CHECK-NEXT: .functype select_cmp_v2i64 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i64.const $push[[L0:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i64.const $push[[L1:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i32.const $push[[L2:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i32.lt_s $push[[L3:[0-9]+]]=, $0, $pop[[L2]]{{$}}
-; CHECK-NEXT: i64.select $push[[L4:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $pop[[L3]]{{$}}
-; CHECK-NEXT: i64x2.splat $push[[L5:[0-9]+]]=, $pop[[L4]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L5]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <2 x i64> @select_cmp_v2i64(i32 %i, <2 x i64> %x, <2 x i64> %y) {
+; CHECK-LABEL: select_cmp_v2i64:
+; CHECK:         .functype select_cmp_v2i64 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i64.const -1
+; CHECK-NEXT:    i64.const 0
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.const 0
+; CHECK-NEXT:    i32.lt_s
+; CHECK-NEXT:    i64.select
+; CHECK-NEXT:    i64x2.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp slt i32 %i, 0
   %res = select i1 %c, <2 x i64> %x, <2 x i64> %y
   ret <2 x i64> %res
 }
 
-; CHECK-LABEL: select_ne_v2i64:
-; CHECK-NEXT: .functype select_ne_v2i64 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i64.const $push[[L0:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i64.const $push[[L1:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i64.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i64x2.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <2 x i64> @select_ne_v2i64(i32 %i, <2 x i64> %x, <2 x i64> %y) {
+; CHECK-LABEL: select_ne_v2i64:
+; CHECK:         .functype select_ne_v2i64 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i64.const -1
+; CHECK-NEXT:    i64.const 0
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i64.select
+; CHECK-NEXT:    i64x2.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp ne i32 %i, 0
   %res = select i1 %c, <2 x i64> %x, <2 x i64> %y
   ret <2 x i64> %res
 }
 
-; CHECK-LABEL: select_eq_v2i64:
-; CHECK-NEXT: .functype select_eq_v2i64 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i64.const $push[[L0:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i64.const $push[[L1:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i64.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i64x2.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <2 x i64> @select_eq_v2i64(i32 %i, <2 x i64> %x, <2 x i64> %y) {
+; CHECK-LABEL: select_eq_v2i64:
+; CHECK:         .functype select_eq_v2i64 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i64.const 0
+; CHECK-NEXT:    i64.const -1
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i64.select
+; CHECK-NEXT:    i64x2.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp eq i32 %i, 0
   %res = select i1 %c, <2 x i64> %x, <2 x i64> %y
   ret <2 x i64> %res
 }
 
-; ==============================================================================
-; 4 x float
-; ==============================================================================
-; CHECK-LABEL: vselect_v4f32:
-; CHECK-NEXT: .functype vselect_v4f32 (v128, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 31{{$}}
-; CHECK-NEXT: i32x4.shl $push[[L1:[0-9]+]]=, $0, $pop[[L0]]{{$}}
-; CHECK-NEXT: i32.const $push[[L2:[0-9]+]]=, 31{{$}}
-; CHECK-NEXT: i32x4.shr_s $push[[L3:[0-9]+]]=, $pop[[L1]], $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <4 x float> @vselect_v4f32(<4 x i1> %c, <4 x float> %x, <4 x float> %y) {
+; CHECK-LABEL: vselect_v4f32:
+; CHECK:         .functype vselect_v4f32 (v128, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.const 31
+; CHECK-NEXT:    i32x4.shl
+; CHECK-NEXT:    i32.const 31
+; CHECK-NEXT:    i32x4.shr_s
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %res = select <4 x i1> %c, <4 x float> %x, <4 x float> %y
   ret <4 x float> %res
 }
 
-; CHECK-LABEL: vselect_cmp_v4f32:
-; CHECK-NEXT: .functype vselect_cmp_v4f32 (v128, v128, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: f32x4.lt $push[[L0:[0-9]+]]=, $0, $1{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $2, $3, $pop[[L0]]{{$}}
-; CHECK-NEXT: return  $pop[[R]]{{$}}
 define <4 x float> @vselect_cmp_v4f32(<4 x float> %a, <4 x float> %b,
+; CHECK-LABEL: vselect_cmp_v4f32:
+; CHECK:         .functype vselect_cmp_v4f32 (v128, v128, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 3
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    f32x4.lt
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
                                       <4 x float> %x, <4 x float> %y) {
   %c = fcmp olt <4 x float> %a, %b
   %res = select <4 x i1> %c, <4 x float> %x, <4 x float> %y
   ret <4 x float> %res
 }
 
-; CHECK-LABEL: select_v4f32:
-; CHECK-NEXT: .functype select_v4f32 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i32.const $push[[L1:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i32.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i32x4.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <4 x float> @select_v4f32(i1 zeroext %c, <4 x float> %x, <4 x float> %y) {
+; CHECK-LABEL: select_v4f32:
+; CHECK:         .functype select_v4f32 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i32.const -1
+; CHECK-NEXT:    i32.const 0
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.select
+; CHECK-NEXT:    i32x4.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %res = select i1 %c, <4 x float> %x, <4 x float> %y
   ret <4 x float> %res
 }
 
-; CHECK-LABEL: select_cmp_v4f32:
-; CHECK-NEXT: .functype select_cmp_v4f32 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 31{{$}}
-; CHECK-NEXT: i32.shr_s $push[[L1:[0-9]+]]=, $0, $pop[[L0]]{{$}}
-; CHECK-NEXT: i32x4.splat $push[[L2:[0-9]+]]=, $pop[[L1]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L2]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <4 x float> @select_cmp_v4f32(i32 %i, <4 x float> %x, <4 x float> %y) {
+; CHECK-LABEL: select_cmp_v4f32:
+; CHECK:         .functype select_cmp_v4f32 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.const 31
+; CHECK-NEXT:    i32.shr_s
+; CHECK-NEXT:    i32x4.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp slt i32 %i, 0
   %res = select i1 %c, <4 x float> %x, <4 x float> %y
   ret <4 x float> %res
 }
 
-; CHECK-LABEL: select_ne_v4f32:
-; CHECK-NEXT: .functype select_ne_v4f32 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i32.const $push[[L1:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i32.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i32x4.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <4 x float> @select_ne_v4f32(i32 %i, <4 x float> %x, <4 x float> %y) {
+; CHECK-LABEL: select_ne_v4f32:
+; CHECK:         .functype select_ne_v4f32 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i32.const -1
+; CHECK-NEXT:    i32.const 0
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.select
+; CHECK-NEXT:    i32x4.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp ne i32 %i, 0
   %res = select i1 %c, <4 x float> %x, <4 x float> %y
   ret <4 x float> %res
 }
 
-; CHECK-LABEL: select_eq_v4f32:
-; CHECK-NEXT: .functype select_eq_v4f32 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i32.const $push[[L1:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i32.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i32x4.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <4 x float> @select_eq_v4f32(i32 %i, <4 x float> %x, <4 x float> %y) {
+; CHECK-LABEL: select_eq_v4f32:
+; CHECK:         .functype select_eq_v4f32 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i32.const 0
+; CHECK-NEXT:    i32.const -1
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.select
+; CHECK-NEXT:    i32x4.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp eq i32 %i, 0
   %res = select i1 %c, <4 x float> %x, <4 x float> %y
   ret <4 x float> %res
 }
 
-; ==============================================================================
-; 2 x double
-; ==============================================================================
-; CHECK-LABEL: vselect_v2f64:
-; CHECK-NEXT: .functype vselect_v2f64 (v128, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 63{{$}}
-; CHECK-NEXT: i64x2.shl $push[[L1:[0-9]+]]=, $0, $pop[[L0]]{{$}}
-; CHECK-NEXT: i32.const $push[[L2:[0-9]+]]=, 63{{$}}
-; CHECK-NEXT: i64x2.shr_s $push[[L3:[0-9]+]]=, $pop[[L1]], $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <2 x double> @vselect_v2f64(<2 x i1> %c, <2 x double> %x, <2 x double> %y) {
+; CHECK-LABEL: vselect_v2f64:
+; CHECK:         .functype vselect_v2f64 (v128, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.const 63
+; CHECK-NEXT:    i64x2.shl
+; CHECK-NEXT:    i32.const 63
+; CHECK-NEXT:    i64x2.shr_s
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %res = select <2 x i1> %c, <2 x double> %x, <2 x double> %y
   ret <2 x double> %res
 }
 
-; CHECK-LABEL: vselect_cmp_v2f64:
-; CHECK-NEXT: .functype vselect_cmp_v2f64 (v128, v128, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: f64x2.lt $push[[L0:[0-9]+]]=, $0, $1{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $2, $3, $pop[[L0]]{{$}}
-; CHECK-NEXT: return  $pop[[R]]{{$}}
 define <2 x double> @vselect_cmp_v2f64(<2 x double> %a, <2 x double> %b,
+; CHECK-LABEL: vselect_cmp_v2f64:
+; CHECK:         .functype vselect_cmp_v2f64 (v128, v128, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 3
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    f64x2.lt
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
                                        <2 x double> %x, <2 x double> %y) {
   %c = fcmp olt <2 x double> %a, %b
   %res = select <2 x i1> %c, <2 x double> %x, <2 x double> %y
   ret <2 x double> %res
 }
 
-; CHECK-LABEL: select_v2f64:
-; CHECK-NEXT: .functype select_v2f64 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i64.const $push[[L0:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i64.const $push[[L1:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i64.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i64x2.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <2 x double> @select_v2f64(i1 zeroext %c, <2 x double> %x, <2 x double> %y) {
+; CHECK-LABEL: select_v2f64:
+; CHECK:         .functype select_v2f64 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i64.const -1
+; CHECK-NEXT:    i64.const 0
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i64.select
+; CHECK-NEXT:    i64x2.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %res = select i1 %c, <2 x double> %x, <2 x double> %y
   ret <2 x double> %res
 }
 
-; CHECK-LABEL: select_cmp_v2f64:
-; CHECK-NEXT: .functype select_cmp_v2f64 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i64.const $push[[L0:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i64.const $push[[L1:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i32.const $push[[L2:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i32.lt_s $push[[L3:[0-9]+]]=, $0, $pop[[L2]]{{$}}
-; CHECK-NEXT: i64.select $push[[L4:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $pop[[L3]]{{$}}
-; CHECK-NEXT: i64x2.splat $push[[L5:[0-9]+]]=, $pop[[L4]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L5]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <2 x double> @select_cmp_v2f64(i32 %i, <2 x double> %x, <2 x double> %y) {
+; CHECK-LABEL: select_cmp_v2f64:
+; CHECK:         .functype select_cmp_v2f64 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i64.const -1
+; CHECK-NEXT:    i64.const 0
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i32.const 0
+; CHECK-NEXT:    i32.lt_s
+; CHECK-NEXT:    i64.select
+; CHECK-NEXT:    i64x2.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp slt i32 %i, 0
   %res = select i1 %c, <2 x double> %x, <2 x double> %y
   ret <2 x double> %res
 }
 
-; CHECK-LABEL: select_ne_v2f64:
-; CHECK-NEXT: .functype select_ne_v2f64 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i64.const $push[[L0:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i64.const $push[[L1:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i64.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i64x2.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <2 x double> @select_ne_v2f64(i32 %i, <2 x double> %x, <2 x double> %y) {
+; CHECK-LABEL: select_ne_v2f64:
+; CHECK:         .functype select_ne_v2f64 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i64.const -1
+; CHECK-NEXT:    i64.const 0
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i64.select
+; CHECK-NEXT:    i64x2.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp ne i32 %i, 0
   %res = select i1 %c, <2 x double> %x, <2 x double> %y
   ret <2 x double> %res
 }
 
-; CHECK-LABEL: select_eq_v2f64:
-; CHECK-NEXT: .functype select_eq_v2f64 (i32, v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i64.const $push[[L0:[0-9]+]]=, 0{{$}}
-; CHECK-NEXT: i64.const $push[[L1:[0-9]+]]=, -1{{$}}
-; CHECK-NEXT: i64.select $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $0{{$}}
-; CHECK-NEXT: i64x2.splat $push[[L3:[0-9]+]]=, $pop[[L2]]{{$}}
-; CHECK-NEXT: v128.bitselect $push[[R:[0-9]+]]=, $1, $2, $pop[[L3]]{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
 define <2 x double> @select_eq_v2f64(i32 %i, <2 x double> %x, <2 x double> %y) {
+; CHECK-LABEL: select_eq_v2f64:
+; CHECK:         .functype select_eq_v2f64 (i32, v128, v128) -> (v128)
+; CHECK-NEXT:  # %bb.0:
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    i64.const 0
+; CHECK-NEXT:    i64.const -1
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    i64.select
+; CHECK-NEXT:    i64x2.splat
+; CHECK-NEXT:    v128.bitselect
+; CHECK-NEXT:    # fallthrough-return
   %c = icmp eq i32 %i, 0
   %res = select i1 %c, <2 x double> %x, <2 x double> %y
   ret <2 x double> %res


        


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