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| author | Dan Gohman <dan433584@gmail.com> | 2017-02-22 16:28:00 +0000 |
|---|---|---|
| committer | Dan Gohman <dan433584@gmail.com> | 2017-02-22 16:28:00 +0000 |
| commit | 61ce026358244ce3bbc38b71f9ed3b88376333b8 (patch) | |
| tree | 8527946dc73be0da50af3df14d03afdbd1e15048 /test/CodeGen/WebAssembly | |
| parent | 6ef315bddb53f9b6294b32b7bcb658458bbdc09e (diff) | |
[WebAssembly] Configure codegen to legalize f16 values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@295850 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/WebAssembly')
| -rw-r--r-- | test/CodeGen/WebAssembly/f16.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/WebAssembly/f16.ll b/test/CodeGen/WebAssembly/f16.ll new file mode 100644 index 00000000000..c5198152ebd --- /dev/null +++ b/test/CodeGen/WebAssembly/f16.ll @@ -0,0 +1,28 @@ +; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt | FileCheck %s + +; Test that f16 is expanded. + +target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" +target triple = "wasm32-unknown-unknown-wasm" + +; CHECK-LABEL: demote: +; CHECK-NEXT: .param f32{{$}} +; CHECK-NEXT: .result f32{{$}} +; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}} +; CHECK-NEXT: i32.call $push[[L1:[0-9]+]]=, __gnu_f2h_ieee@FUNCTION, $pop[[L0]]{{$}} +; CHECK-NEXT: f32.call $push[[L2:[0-9]+]]=, __gnu_h2f_ieee@FUNCTION, $pop[[L1]]{{$}} +; CHECK-NEXT: return $pop[[L2]]{{$}} +define half @demote(float %f) { + %t = fptrunc float %f to half + ret half %t +} + +; CHECK-LABEL: promote: +; CHECK-NEXT: .param f32{{$}} +; CHECK-NEXT: .result f32{{$}} +; CHECK-NEXT: get_local $push0=, 0{{$}} +; CHECK-NEXT: return $pop0{{$}} +define float @promote(half %f) { + %t = fpext half %f to float + ret float %t +} |