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e2177a8321
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
59 lines
2.3 KiB
LLVM
59 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: .functype z2s_func (i32) -> (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: .functype s2z_func (i32) -> (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: .functype z2s_call (i32) -> (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: .functype s2z_call (i32) -> (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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