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llvm-mirror/test/CodeGen/WebAssembly/fast-isel-i24.ll
Wouter van Oortmerssen e2177a8321 [WebAssembly] replaced .param/.result by .functype
Summary:
This makes it easier/cleaner to generate a single signature from
this directive. Also:
- Adds the symbol name, such that we don't depend on the location
  of this directive anymore.
- Actually constructs the signature in the assembler, and make the
  assembler own it.
- Refactor the use of MVT vs ValType in the streamer and assembler
  to require less conversions overall.
- Changed 700 or so tests to use it.

Reviewers: sbc100, dschuff

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

Differential Revision: https://reviews.llvm.org/D54652

llvm-svn: 347228
2018-11-19 17:10:36 +00:00

28 lines
732 B
LLVM

; RUN: llc < %s -O0 -wasm-keep-registers
; PR36564
; PR37546
; Test that fast-isel properly copes with i24 arguments and return types.
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"
; CHECK-LABEL: add:
; CHECK-NEXT: .functype add (i32, i32) -> (i32){{$}}
; CHECK-NEXT: get_local $push2=, 0{{$}}
; CHECK-NEXT: get_local $push1=, 1{{$}}
; CHECK-NEXT: i32.add $push0=, $pop2, $pop1{{$}}
; CHECK-NEXT: end_function
define i24 @add(i24 %x, i24 %y) {
%z = add i24 %x, %y
ret i24 %z
}
; CHECK-LABEL: return_zero:
; CHECK-NEXT: .functype return_zero () -> (i32){{$}}
; CHECK-NEXT: i32.const $push0=, 0{{$}}
; CHECK-NEXT: end_function
define i24 @return_zero() {
ret i24 0
}