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llvm-mirror/test/CodeGen/WebAssembly/load-store-i1.ll
Wouter van Oortmerssen c7f8ab2cc1 [WebAssembly] Added default stack-only instruction mode for MC.
Summary:
Made it convert from register to stack based instructions, and removed the registers.
Fixes to related code that was expecting register based instructions.
Added the correct testing flag to all tests, depending on what the
format they were expecting so far.
Translated one test to stack format as example: reg-stackify-stack.ll

tested:
llvm-lit -v `find test -name WebAssembly`
unittests/MC/*

Reviewers: dschuff, sunfish

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

Differential Revision: https://reviews.llvm.org/D51241

llvm-svn: 340750
2018-08-27 15:45:51 +00:00

71 lines
2.3 KiB
LLVM

; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s
; Test that i1 extending loads and truncating stores are assembled properly.
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"
; CHECK-LABEL: load_u_i1_i32:
; CHECK: i32.load8_u $push[[NUM0:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: return $pop[[NUM0]]{{$}}
define i32 @load_u_i1_i32(i1* %p) {
%v = load i1, i1* %p
%e = zext i1 %v to i32
ret i32 %e
}
; CHECK-LABEL: load_s_i1_i32:
; CHECK: i32.const $push[[NUM3:[0-9]+]]=, 0{{$}}
; CHECK-NEXT: i32.load8_u $push[[NUM0:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: i32.const $push[[NUM1:[0-9]+]]=, 1{{$}}
; CHECK-NEXT: i32.and $push[[NUM2:[0-9]+]]=, $pop[[NUM0]], $pop[[NUM1]]{{$}}
; CHECK-NEXT: i32.sub $push[[NUM4:[0-9]+]]=, $pop[[NUM3]], $pop[[NUM2]]{{$}}
; CHECK-NEXT: return $pop[[NUM4]]{{$}}
define i32 @load_s_i1_i32(i1* %p) {
%v = load i1, i1* %p
%e = sext i1 %v to i32
ret i32 %e
}
; CHECK-LABEL: load_u_i1_i64:
; CHECK: i64.load8_u $push[[NUM0:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: return $pop[[NUM0]]{{$}}
define i64 @load_u_i1_i64(i1* %p) {
%v = load i1, i1* %p
%e = zext i1 %v to i64
ret i64 %e
}
; CHECK-LABEL: load_s_i1_i64:
; CHECK: i64.const $push[[NUM3:[0-9]+]]=, 0{{$}}
; CHECK-NEXT: i64.load8_u $push[[NUM0:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: i64.const $push[[NUM1:[0-9]+]]=, 1{{$}}
; CHECK-NEXT: i64.and $push[[NUM2:[0-9]+]]=, $pop[[NUM0]], $pop[[NUM1]]{{$}}
; CHECK-NEXT: i64.sub $push[[NUM4:[0-9]+]]=, $pop[[NUM3]], $pop[[NUM2]]{{$}}
; CHECK-NEXT: return $pop[[NUM4]]{{$}}
define i64 @load_s_i1_i64(i1* %p) {
%v = load i1, i1* %p
%e = sext i1 %v to i64
ret i64 %e
}
; CHECK-LABEL: store_i32_i1:
; CHECK: i32.const $push[[NUM0:[0-9]+]]=, 1{{$}}
; CHECK-NEXT: i32.and $push[[NUM1:[0-9]+]]=, $1, $pop[[NUM0]]{{$}}
; CHECK-NEXT: i32.store8 0($0), $pop[[NUM1]]{{$}}
define void @store_i32_i1(i1* %p, i32 %v) {
%t = trunc i32 %v to i1
store i1 %t, i1* %p
ret void
}
; CHECK-LABEL: store_i64_i1:
; CHECK: i64.const $push[[NUM0:[0-9]+]]=, 1{{$}}
; CHECK-NEXT: i64.and $push[[NUM1:[0-9]+]]=, $1, $pop[[NUM0]]{{$}}
; CHECK-NEXT: i64.store8 0($0), $pop[[NUM1]]{{$}}
define void @store_i64_i1(i1* %p, i64 %v) {
%t = trunc i64 %v to i1
store i1 %t, i1* %p
ret void
}