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      1 ; RUN: llc < %s -mattr=+atomics,+sign-ext -asm-verbose=false -disable-wasm-fallthrough-return-opt -disable-wasm-explicit-locals | FileCheck %s
      2 
      3 ; Test that extending loads are assembled properly.
      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: sext_i8_i32:
      9 ; CHECK: i32.atomic.load8_u $push0=, 0($0){{$}}
     10 ; CHECK-NEXT: i32.extend8_s $push1=, $pop0{{$}}
     11 ; CHECK-NEXT: return $pop1{{$}}
     12 define i32 @sext_i8_i32(i8 *%p) {
     13   %v = load atomic i8, i8* %p seq_cst, align 1
     14   %e = sext i8 %v to i32
     15   ret i32 %e
     16 }
     17 
     18 ; CHECK-LABEL: zext_i8_i32:
     19 ; CHECK: i32.atomic.load8_u $push0=, 0($0){{$}}
     20 ; CHECK-NEXT: return $pop0{{$}}
     21 define i32 @zext_i8_i32(i8 *%p) {
     22 e1:
     23   %v = load atomic i8, i8* %p seq_cst, align 1
     24   %e = zext i8 %v to i32
     25   ret i32 %e
     26 }
     27 
     28 ; CHECK-LABEL: sext_i16_i32:
     29 ; CHECK: i32.atomic.load16_u $push0=, 0($0){{$}}
     30 ; CHECK-NEXT: i32.extend16_s $push1=, $pop0{{$}}
     31 ; CHECK-NEXT: return $pop1{{$}}
     32 define i32 @sext_i16_i32(i16 *%p) {
     33   %v = load atomic i16, i16* %p seq_cst, align 2
     34   %e = sext i16 %v to i32
     35   ret i32 %e
     36 }
     37 
     38 ; CHECK-LABEL: zext_i16_i32:
     39 ; CHECK: i32.atomic.load16_u $push0=, 0($0){{$}}
     40 ; CHECK-NEXT: return $pop0{{$}}
     41 define i32 @zext_i16_i32(i16 *%p) {
     42   %v = load atomic i16, i16* %p seq_cst, align 2
     43   %e = zext i16 %v to i32
     44   ret i32 %e
     45 }
     46 
     47 ; CHECK-LABEL: sext_i8_i64:
     48 ; CHECK: i64.atomic.load8_u $push0=, 0($0){{$}}
     49 ; CHECK: i64.extend8_s $push1=, $pop0{{$}}
     50 ; CHECK-NEXT: return $pop1{{$}}
     51 define i64 @sext_i8_i64(i8 *%p) {
     52   %v = load atomic i8, i8* %p seq_cst, align 1
     53   %e = sext i8 %v to i64
     54   ret i64 %e
     55 }
     56 
     57 ; CHECK-LABEL: zext_i8_i64:
     58 ; CHECK: i64.atomic.load8_u $push0=, 0($0){{$}}
     59 ; CHECK-NEXT: return $pop0{{$}}
     60 define i64 @zext_i8_i64(i8 *%p) {
     61   %v = load atomic i8, i8* %p seq_cst, align 1
     62   %e = zext i8 %v to i64
     63   ret i64 %e
     64 }
     65 
     66 ; CHECK-LABEL: sext_i16_i64:
     67 ; CHECK: i64.atomic.load16_u $push0=, 0($0){{$}}
     68 ; CHECK: i64.extend16_s $push1=, $pop0{{$}}
     69 ; CHECK-NEXT: return $pop1{{$}}
     70 define i64 @sext_i16_i64(i16 *%p) {
     71   %v = load atomic i16, i16* %p seq_cst, align 2
     72   %e = sext i16 %v to i64
     73   ret i64 %e
     74 }
     75 
     76 ; CHECK-LABEL: zext_i16_i64:
     77 ; CHECK: i64.atomic.load16_u $push0=, 0($0){{$}}
     78 ; CHECK-NEXT: return $pop0{{$}}
     79 define i64 @zext_i16_i64(i16 *%p) {
     80   %v = load atomic i16, i16* %p seq_cst, align 2
     81   %e = zext i16 %v to i64
     82   ret i64 %e
     83 }
     84 
     85 ; CHECK-LABEL: sext_i32_i64:
     86 ; CHECK: i32.atomic.load $push0=, 0($0){{$}}
     87 ; CHECK: i64.extend_s/i32 $push1=, $pop0{{$}}
     88 ; CHECK-NEXT: return $pop1{{$}}
     89 define i64 @sext_i32_i64(i32 *%p) {
     90   %v = load atomic i32, i32* %p seq_cst, align 4
     91   %e = sext i32 %v to i64
     92   ret i64 %e
     93 }
     94 
     95 ; CHECK-LABEL: zext_i32_i64:
     96 ; CHECK: i64.atomic.load32_u $push0=, 0($0){{$}}
     97 ; CHECK: return $pop0{{$}}
     98 define i64 @zext_i32_i64(i32 *%p) {
     99   %v = load atomic i32, i32* %p seq_cst, align 4
    100   %e = zext i32 %v to i64
    101   ret i64 %e
    102 }
    103