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e74d86edda
Sign-extension opcodes have been split into a separate proposal from the main threads proposal, so switch them to their own target feature. See: https://github.com/WebAssembly/sign-extension-ops llvm-svn: 322966
72 lines
2.1 KiB
LLVM
72 lines
2.1 KiB
LLVM
; RUN: llc < %s -mattr=+sign-ext -asm-verbose=false -disable-wasm-fallthrough-return-opt -disable-wasm-explicit-locals | FileCheck %s
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; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -disable-wasm-explicit-locals | FileCheck %s --check-prefix=NOSIGNEXT
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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-wasm"
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; CHECK-LABEL: i32_extend8_s:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: i32.extend8_s $push[[NUM:[0-9]+]]=, $0{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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; NOSIGNEXT-LABEL: i32_extend8_s
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; NOSIGNEXT-NOT: i32.extend8_s
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define i32 @i32_extend8_s(i8 %x) {
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%a = sext i8 %x to i32
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ret i32 %a
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}
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; CHECK-LABEL: i32_extend16_s:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: i32.extend16_s $push[[NUM:[0-9]+]]=, $0{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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; NOSIGNEXT-LABEL: i32_extend16_s
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; NOSIGNEXT-NOT: i32.extend16_s
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define i32 @i32_extend16_s(i16 %x) {
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%a = sext i16 %x to i32
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ret i32 %a
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}
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; CHECK-LABEL: i64_extend8_s:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: .result i64{{$}}
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; CHECK-NEXT: i64.extend_u/i32 $push[[NUM1:[0-9]+]]=, $0{{$}}
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; CHECK-NEXT: i64.extend8_s $push[[NUM2:[0-9]+]]=, $pop[[NUM1]]{{$}}
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; CHECK-NEXT: return $pop[[NUM2]]{{$}}
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; NOSIGNEXT-LABEL: i64_extend8_s
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; NOSIGNEXT-NOT: i64.extend8_s
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define i64 @i64_extend8_s(i8 %x) {
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%a = sext i8 %x to i64
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ret i64 %a
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}
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; CHECK-LABEL: i64_extend16_s:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: .result i64{{$}}
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; CHECK-NEXT: i64.extend_u/i32 $push[[NUM1:[0-9]+]]=, $0{{$}}
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; CHECK-NEXT: i64.extend16_s $push[[NUM2:[0-9]+]]=, $pop[[NUM1]]{{$}}
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; CHECK-NEXT: return $pop[[NUM2]]{{$}}
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; NOSIGNEXT-LABEL: i64_extend16_s
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; NOSIGNEXT-NOT: i16.extend16_s
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define i64 @i64_extend16_s(i16 %x) {
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%a = sext i16 %x to i64
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ret i64 %a
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}
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; No SIGN_EXTEND_INREG is needed for 32->64 extension.
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; CHECK-LABEL: i64_extend32_s:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: .result i64{{$}}
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; CHECK-NEXT: i64.extend_s/i32 $push[[NUM:[0-9]+]]=, $0{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define i64 @i64_extend32_s(i32 %x) {
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%a = sext i32 %x to i64
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ret i64 %a
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}
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