diff options
Diffstat (limited to 'llvm/test/CodeGen/WebAssembly/simd-nested-shuffles.ll')
| -rw-r--r-- | llvm/test/CodeGen/WebAssembly/simd-nested-shuffles.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/WebAssembly/simd-nested-shuffles.ll b/llvm/test/CodeGen/WebAssembly/simd-nested-shuffles.ll new file mode 100644 index 00000000000..51ba5a99be6 --- /dev/null +++ b/llvm/test/CodeGen/WebAssembly/simd-nested-shuffles.ll @@ -0,0 +1,17 @@ +; RUN: llc < %s -mattr=+simd128 | FileCheck %s --check-prefixes CHECK + +; Check that shuffles maintain their type when being custom +; lowered. Regression test for bug 39275. + +target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" +target triple = "wasm32-unknown-unknown" + +; CHECK: v8x16.shuffle +define <4 x i32> @foo(<4 x i32> %x) { + %1 = shufflevector <4 x i32> %x, <4 x i32> undef, + <4 x i32> <i32 2, i32 3, i32 undef, i32 undef> + %2 = shufflevector <4 x i32> %1, <4 x i32> undef, + <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef> + %3 = add <4 x i32> %2, %2 + ret <4 x i32> %3 +} |
