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https://github.com/RPCS3/llvm-mirror.git
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c7f8ab2cc1
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
63 lines
2.3 KiB
LLVM
63 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
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; Test zeroext and signext ABI keywords
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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; CHECK-LABEL: z2s_func:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: i32.const $push[[NUM0:[0-9]+]]=, 24{{$}}
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; CHECK-NEXT: i32.shl $push[[NUM2:[0-9]+]]=, $0, $pop[[NUM0]]{{$}}
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; CHECK-NEXT: i32.const $push[[NUM1:[0-9]+]]=, 24{{$}}
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; CHECK-NEXT: i32.shr_s $push[[NUM3:[0-9]+]]=, $pop[[NUM2]], $pop[[NUM1]]{{$}}
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; CHECK-NEXT: return $pop[[NUM3]]{{$}}
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define signext i8 @z2s_func(i8 zeroext %t) {
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ret i8 %t
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}
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; CHECK-LABEL: s2z_func:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: i32.const $push[[NUM0:[0-9]+]]=, 255{{$}}
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; CHECK-NEXT: i32.and $push[[NUM1:[0-9]+]]=, $0, $pop[[NUM0]]{{$}}
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; CHECK-NEXT: return $pop[[NUM1]]{{$}}
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define zeroext i8 @s2z_func(i8 signext %t) {
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ret i8 %t
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}
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; CHECK-LABEL: z2s_call:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: i32.const $push[[NUM0:[0-9]+]]=, 255{{$}}
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; CHECK-NEXT: i32.and $push[[NUM1:[0-9]+]]=, $0, $pop[[NUM0]]{{$}}
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; CHECK-NEXT: call $push[[NUM2:[0-9]+]]=, z2s_func@FUNCTION, $pop[[NUM1]]{{$}}
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; CHECK-NEXT: return $pop[[NUM2]]{{$}}
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define i32 @z2s_call(i32 %t) {
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%s = trunc i32 %t to i8
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%u = call signext i8 @z2s_func(i8 zeroext %s)
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%v = sext i8 %u to i32
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ret i32 %v
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}
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; CHECK-LABEL: s2z_call:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: i32.const $push[[NUM0:[0-9]+]]=, 24{{$}}
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; CHECK-NEXT: i32.shl $push[[NUM1:[0-9]+]]=, $0, $pop[[NUM0]]{{$}}
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; CHECK-NEXT: i32.const $push[[NUM6:[0-9]+]]=, 24{{$}}
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; CHECK-NEXT: i32.shr_s $push[[NUM2:[0-9]+]]=, $pop[[NUM1]], $pop[[NUM6]]{{$}}
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; CHECK-NEXT: call $push[[NUM3:[0-9]]]=, s2z_func@FUNCTION, $pop[[NUM2]]{{$}}
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; CHECK-NEXT: i32.const $push[[NUM7:[0-9]+]]=, 24{{$}}
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; CHECK-NEXT: i32.shl $push[[NUM4:[0-9]+]]=, $pop[[NUM3]], $pop[[NUM7]]{{$}}
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; CHECK-NEXT: i32.const $push[[NUM8:[0-9]+]]=, 24{{$}}
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; CHECK-NEXT: i32.shr_s $push[[NUM5:[0-9]+]]=, $pop[[NUM4]], $pop[[NUM8]]{{$}}
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; CHECK-NEXT: return $pop[[NUM5]]{{$}}
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define i32 @s2z_call(i32 %t) {
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%s = trunc i32 %t to i8
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%u = call zeroext i8 @s2z_func(i8 signext %s)
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%v = sext i8 %u to i32
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ret i32 %v
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}
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