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llvm-mirror/test/CodeGen/WebAssembly/f16.ll
Thomas Lively ab0820716d [WebAssembly] Massive instruction renaming
Summary:
An automated renaming of all the instructions listed at
https://github.com/WebAssembly/spec/issues/884#issuecomment-426433329
as well as some similarly-named identifiers.

Reviewers: aheejin, dschuff, aardappel

Subscribers: sbc100, jgravelle-google, eraman, sunfish, jfb, llvm-commits

Differential Revision: https://reviews.llvm.org/D56338

llvm-svn: 350609
2019-01-08 06:25:55 +00:00

28 lines
1009 B
LLVM

; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers | FileCheck %s
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -fast-isel | 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"
; CHECK-LABEL: demote:
; CHECK-NEXT: .functype demote (f32) -> (f32){{$}}
; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
; 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: .functype promote (f32) -> (f32){{$}}
; CHECK-NEXT: local.get $push0=, 0{{$}}
; CHECK-NEXT: return $pop0{{$}}
define float @promote(half %f) {
%t = fpext half %f to float
ret float %t
}