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