1 ; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt | FileCheck %s 2 3 ; Test zeroext and signext ABI keywords 4 5 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" 6 target triple = "wasm32-unknown-unknown" 7 8 ; CHECK-LABEL: z2s_func: 9 ; CHECK-NEXT: .param i32{{$}} 10 ; CHECK-NEXT: .result i32{{$}} 11 ; CHECK-NEXT: i32.const $push[[NUM0:[0-9]+]]=, 24{{$}} 12 ; CHECK-NEXT: i32.shl $push[[NUM2:[0-9]+]]=, $0, $pop[[NUM0]]{{$}} 13 ; CHECK-NEXT: i32.const $push[[NUM1:[0-9]+]]=, 24{{$}} 14 ; CHECK-NEXT: i32.shr_s $push[[NUM3:[0-9]+]]=, $pop[[NUM2]], $pop[[NUM1]]{{$}} 15 ; CHECK-NEXT: return $pop[[NUM3]]{{$}} 16 define signext i8 @z2s_func(i8 zeroext %t) { 17 ret i8 %t 18 } 19 20 ; CHECK-LABEL: s2z_func: 21 ; CHECK-NEXT: .param i32{{$}} 22 ; CHECK-NEXT: .result i32{{$}} 23 ; CHECK-NEXT: i32.const $push[[NUM0:[0-9]+]]=, 255{{$}} 24 ; CHECK-NEXT: i32.and $push[[NUM1:[0-9]+]]=, $0, $pop[[NUM0]]{{$}} 25 ; CHECK-NEXT: return $pop[[NUM1]]{{$}} 26 define zeroext i8 @s2z_func(i8 signext %t) { 27 ret i8 %t 28 } 29 30 ; CHECK-LABEL: z2s_call: 31 ; CHECK-NEXT: .param i32{{$}} 32 ; CHECK-NEXT: .result i32{{$}} 33 ; CHECK-NEXT: i32.const $push[[NUM0:[0-9]+]]=, 255{{$}} 34 ; CHECK-NEXT: i32.and $push[[NUM1:[0-9]+]]=, $0, $pop[[NUM0]]{{$}} 35 ; CHECK-NEXT: call $push[[NUM2:[0-9]+]]=, z2s_func@FUNCTION, $pop[[NUM1]]{{$}} 36 ; CHECK-NEXT: return $pop[[NUM2]]{{$}} 37 define i32 @z2s_call(i32 %t) { 38 %s = trunc i32 %t to i8 39 %u = call signext i8 @z2s_func(i8 zeroext %s) 40 %v = sext i8 %u to i32 41 ret i32 %v 42 } 43 44 ; CHECK-LABEL: s2z_call: 45 ; CHECK-NEXT: .param i32{{$}} 46 ; CHECK-NEXT: .result i32{{$}} 47 ; CHECK-NEXT: i32.const $push[[NUM0:[0-9]+]]=, 24{{$}} 48 ; CHECK-NEXT: i32.shl $push[[NUM1:[0-9]+]]=, $0, $pop[[NUM0]]{{$}} 49 ; CHECK-NEXT: i32.const $push[[NUM6:[0-9]+]]=, 24{{$}} 50 ; CHECK-NEXT: i32.shr_s $push[[NUM2:[0-9]+]]=, $pop[[NUM1]], $pop[[NUM6]]{{$}} 51 ; CHECK-NEXT: call $push[[NUM3:[0-9]]]=, s2z_func@FUNCTION, $pop[[NUM2]]{{$}} 52 ; CHECK-NEXT: i32.const $push[[NUM7:[0-9]+]]=, 24{{$}} 53 ; CHECK-NEXT: i32.shl $push[[NUM4:[0-9]+]]=, $pop[[NUM3]], $pop[[NUM7]]{{$}} 54 ; CHECK-NEXT: i32.const $push[[NUM8:[0-9]+]]=, 24{{$}} 55 ; CHECK-NEXT: i32.shr_s $push[[NUM5:[0-9]+]]=, $pop[[NUM4]], $pop[[NUM8]]{{$}} 56 ; CHECK-NEXT: return $pop[[NUM5]]{{$}} 57 define i32 @s2z_call(i32 %t) { 58 %s = trunc i32 %t to i8 59 %u = call zeroext i8 @s2z_func(i8 signext %s) 60 %v = sext i8 %u to i32 61 ret i32 %v 62 } 63
