[llvm] 61521a5 - [WebAssembly] Add simd-vector-trunc.ll test missing from 2a4a229

[Thomas Lively via llvm-commits]

Author: Jing Bao
Date: 2021-12-15T09:22:40-08:00
New Revision: 61521a5a3dfbe02326afecd35e70e5956fc05895

URL: https://github.com/llvm/llvm-project/commit/61521a5a3dfbe02326afecd35e70e5956fc05895
DIFF: https://github.com/llvm/llvm-project/commit/61521a5a3dfbe02326afecd35e70e5956fc05895.diff

LOG: [WebAssembly] Add simd-vector-trunc.ll test missing from 2a4a229

This test was authored as part of the same revision, D109481, but I (tlively)
accidentally left it out when committing.

Added: 
    llvm/test/CodeGen/WebAssembly/simd-vector-trunc.ll

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/llvm/test/CodeGen/WebAssembly/simd-vector-trunc.ll b/llvm/test/CodeGen/WebAssembly/simd-vector-trunc.ll
new file mode 100644
index 000000000000..123438d7f838
--- /dev/null
+++ b/llvm/test/CodeGen/WebAssembly/simd-vector-trunc.ll
@@ -0,0 +1,141 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -verify-machineinstrs -mattr=+simd128 | FileCheck %s
+
+; Test that a vector trunc correctly optimizes and lowers to narrow instructions
+
+target triple = "wasm32-unknown-unknown"
+
+define <16 x i8>  @trunc16i64_16i8(<16 x i64> %a) {
+; CHECK-LABEL: trunc16i64_16i8:
+; CHECK:         .functype trunc16i64_16i8 (v128, v128, v128, v128, v128, v128, v128, v128) -> (v128)
+; CHECK-NEXT:    .local v128
+; CHECK-NEXT:  # %bb.0: # %entry
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    v128.const 255, 255
+; CHECK-NEXT:    local.tee 8
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 8
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    i16x8.narrow_i32x4_u
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 8
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    local.get 3
+; CHECK-NEXT:    local.get 8
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    i16x8.narrow_i32x4_u
+; CHECK-NEXT:    i16x8.narrow_i32x4_u
+; CHECK-NEXT:    local.get 4
+; CHECK-NEXT:    local.get 8
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    local.get 5
+; CHECK-NEXT:    local.get 8
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    i16x8.narrow_i32x4_u
+; CHECK-NEXT:    local.get 6
+; CHECK-NEXT:    local.get 8
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    local.get 7
+; CHECK-NEXT:    local.get 8
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    i16x8.narrow_i32x4_u
+; CHECK-NEXT:    i16x8.narrow_i32x4_u
+; CHECK-NEXT:    i8x16.narrow_i16x8_u
+; CHECK-NEXT:    # fallthrough-return
+entry:
+  %0 = trunc <16 x i64> %a to <16 x i8>
+  ret <16 x i8> %0
+}
+
+define <16 x i8>  @trunc16i32_16i8(<16 x i32> %a) {
+; CHECK-LABEL: trunc16i32_16i8:
+; CHECK:         .functype trunc16i32_16i8 (v128, v128, v128, v128) -> (v128)
+; CHECK-NEXT:    .local v128
+; CHECK-NEXT:  # %bb.0: # %entry
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    v128.const 255, 255, 255, 255
+; CHECK-NEXT:    local.tee 4
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 4
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    i16x8.narrow_i32x4_u
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 4
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    local.get 3
+; CHECK-NEXT:    local.get 4
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    i16x8.narrow_i32x4_u
+; CHECK-NEXT:    i8x16.narrow_i16x8_u
+; CHECK-NEXT:    # fallthrough-return
+entry:
+  %0 = trunc <16 x i32> %a to <16 x i8>
+  ret <16 x i8> %0
+}
+
+define <16 x i8>  @trunc16i16_16i8(<16 x i16> %a) {
+; CHECK-LABEL: trunc16i16_16i8:
+; CHECK:         .functype trunc16i16_16i8 (v128, v128) -> (v128)
+; CHECK-NEXT:    .local v128
+; CHECK-NEXT:  # %bb.0: # %entry
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    v128.const 255, 255, 255, 255, 255, 255, 255, 255
+; CHECK-NEXT:    local.tee 2
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    i8x16.narrow_i16x8_u
+; CHECK-NEXT:    # fallthrough-return
+entry:
+  %0 = trunc <16 x i16> %a to <16 x i8>
+  ret <16 x i8> %0
+}
+
+define <8 x i16> @trunc8i64_8i16(<8 x i64> %a) {
+; CHECK-LABEL: trunc8i64_8i16:
+; CHECK:         .functype trunc8i64_8i16 (v128, v128, v128, v128) -> (v128)
+; CHECK-NEXT:    .local v128
+; CHECK-NEXT:  # %bb.0: # %entry
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    v128.const 65535, 65535
+; CHECK-NEXT:    local.tee 4
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 4
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    i16x8.narrow_i32x4_u
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    local.get 4
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    local.get 3
+; CHECK-NEXT:    local.get 4
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    i16x8.narrow_i32x4_u
+; CHECK-NEXT:    i16x8.narrow_i32x4_u
+; CHECK-NEXT:    # fallthrough-return
+entry:
+  %0 = trunc <8 x i64> %a to <8 x i16>
+  ret <8 x i16> %0
+}
+
+define <8 x i16> @trunc8i32_8i16(<8 x i32> %a) {
+; CHECK-LABEL: trunc8i32_8i16:
+; CHECK:         .functype trunc8i32_8i16 (v128, v128) -> (v128)
+; CHECK-NEXT:    .local v128
+; CHECK-NEXT:  # %bb.0: # %entry
+; CHECK-NEXT:    local.get 0
+; CHECK-NEXT:    v128.const 65535, 65535, 65535, 65535
+; CHECK-NEXT:    local.tee 2
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    local.get 1
+; CHECK-NEXT:    local.get 2
+; CHECK-NEXT:    v128.and
+; CHECK-NEXT:    i16x8.narrow_i32x4_u
+; CHECK-NEXT:    # fallthrough-return
+entry:
+  %0 = trunc <8 x i32> %a to <8 x i16>
+  ret <8 x i16> %0
+}