1; RUN: llc < %s -mattr=+sign-ext -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s 2; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s --check-prefix=NOSIGNEXT 3 4target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" 5target triple = "wasm32-unknown-unknown" 6 7; CHECK-LABEL: i32_extend8_s: 8; CHECK-NEXT: .functype i32_extend8_s (i32) -> (i32){{$}} 9; CHECK-NEXT: i32.extend8_s $push[[NUM:[0-9]+]]=, $0{{$}} 10; CHECK-NEXT: return $pop[[NUM]]{{$}} 11 12; NOSIGNEXT-LABEL: i32_extend8_s 13; NOSIGNEXT-NOT: i32.extend8_s 14define i32 @i32_extend8_s(i8 %x) { 15 %a = sext i8 %x to i32 16 ret i32 %a 17} 18 19; CHECK-LABEL: i32_extend16_s: 20; CHECK-NEXT: .functype i32_extend16_s (i32) -> (i32){{$}} 21; CHECK-NEXT: i32.extend16_s $push[[NUM:[0-9]+]]=, $0{{$}} 22; CHECK-NEXT: return $pop[[NUM]]{{$}} 23 24; NOSIGNEXT-LABEL: i32_extend16_s 25; NOSIGNEXT-NOT: i32.extend16_s 26define i32 @i32_extend16_s(i16 %x) { 27 %a = sext i16 %x to i32 28 ret i32 %a 29} 30 31; CHECK-LABEL: i64_extend8_s: 32; CHECK-NEXT: .functype i64_extend8_s (i32) -> (i64){{$}} 33; CHECK-NEXT: i64.extend_i32_u $push[[NUM1:[0-9]+]]=, $0{{$}} 34; CHECK-NEXT: i64.extend8_s $push[[NUM2:[0-9]+]]=, $pop[[NUM1]]{{$}} 35; CHECK-NEXT: return $pop[[NUM2]]{{$}} 36 37; NOSIGNEXT-LABEL: i64_extend8_s 38; NOSIGNEXT-NOT: i64.extend8_s 39define i64 @i64_extend8_s(i8 %x) { 40 %a = sext i8 %x to i64 41 ret i64 %a 42} 43 44; CHECK-LABEL: i64_extend16_s: 45; CHECK-NEXT: .functype i64_extend16_s (i32) -> (i64){{$}} 46; CHECK-NEXT: i64.extend_i32_u $push[[NUM1:[0-9]+]]=, $0{{$}} 47; CHECK-NEXT: i64.extend16_s $push[[NUM2:[0-9]+]]=, $pop[[NUM1]]{{$}} 48; CHECK-NEXT: return $pop[[NUM2]]{{$}} 49 50; NOSIGNEXT-LABEL: i64_extend16_s 51; NOSIGNEXT-NOT: i16.extend16_s 52define i64 @i64_extend16_s(i16 %x) { 53 %a = sext i16 %x to i64 54 ret i64 %a 55} 56 57; No SIGN_EXTEND_INREG is needed for 32->64 extension. 58; CHECK-LABEL: i64_extend32_s: 59; CHECK-NEXT: .functype i64_extend32_s (i32) -> (i64){{$}} 60; CHECK-NEXT: i64.extend_i32_s $push[[NUM:[0-9]+]]=, $0{{$}} 61; CHECK-NEXT: return $pop[[NUM]]{{$}} 62define i64 @i64_extend32_s(i32 %x) { 63 %a = sext i32 %x to i64 64 ret i64 %a 65} 66 67