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      1 ; RUN: llc < %s -asm-verbose=false -disable-wasm-explicit-locals -fast-isel -fast-isel-abort=1 | FileCheck %s
      2 
      3 ; TODO: Merge this with offset.ll when fast-isel matches better.
      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: store_i8_with_variable_gep_offset:
      9 ; CHECK: i32.add    $push[[L0:[0-9]+]]=, $0, $1{{$}}
     10 ; CHECK: i32.const  $push[[L1:[0-9]+]]=, 0{{$}}
     11 ; CHECK: i32.store8 0($pop[[L0]]), $pop[[L1]]{{$}}
     12 define void @store_i8_with_variable_gep_offset(i8* %p, i32 %idx) {
     13   %s = getelementptr inbounds i8, i8* %p, i32 %idx
     14   store i8 0, i8* %s
     15   ret void
     16 }
     17 
     18 ; CHECK-LABEL: store_i8_with_array_alloca_gep:
     19 ; CHECK: get_global  $push[[L0:[0-9]+]]=, __stack_pointer
     20 ; CHECK: i32.const   $push[[L1:[0-9]+]]=, 32{{$}}
     21 ; CHECK: i32.sub     $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
     22 ; CHECK: copy_local  $push[[L3:[0-9]+]]=, $pop[[L2]]
     23 ; CHECK: i32.add     $push[[L4:[0-9]+]]=, $pop[[L3]], $0{{$}}
     24 ; CHECK: i32.const   $push[[L5:[0-9]+]]=, 0{{$}}
     25 ; CHECK: i32.store8  0($pop[[L4]]), $pop[[L5]]{{$}}
     26 define hidden void @store_i8_with_array_alloca_gep(i32 %idx) {
     27   %A = alloca [30 x i8], align 16
     28   %s = getelementptr inbounds [30 x i8], [30 x i8]* %A, i32 0, i32 %idx
     29   store i8 0, i8* %s, align 1
     30   ret void
     31 }
     32 
     33 ; CHECK-LABEL: store_i32_with_unfolded_gep_offset:
     34 ; CHECK: i32.const $push[[L0:[0-9]+]]=, 24{{$}}
     35 ; CHECK: i32.add   $push[[L1:[0-9]+]]=, $0, $pop[[L0]]{{$}}
     36 ; CHECK: i32.const $push[[L2:[0-9]+]]=, 0{{$}}
     37 ; CHECK: i32.store 0($pop[[L1]]), $pop[[L2]]{{$}}
     38 define void @store_i32_with_unfolded_gep_offset(i32* %p) {
     39   %s = getelementptr i32, i32* %p, i32 6
     40   store i32 0, i32* %s
     41   ret void
     42 }
     43 
     44 ; CHECK-LABEL: store_i32_with_folded_gep_offset:
     45 ; CHECK: i32.store 24($0), $pop{{[0-9]+$}}
     46 define void @store_i32_with_folded_gep_offset(i32* %p) {
     47   %s = getelementptr inbounds i32, i32* %p, i32 6
     48   store i32 0, i32* %s
     49   ret void
     50 }
     51 
     52 ; CHECK-LABEL: load_i32_with_folded_gep_offset:
     53 ; CHECK: i32.load  $push{{[0-9]+}}=, 24($0){{$}}
     54 define i32 @load_i32_with_folded_gep_offset(i32* %p) {
     55   %s = getelementptr inbounds i32, i32* %p, i32 6
     56   %t = load i32, i32* %s
     57   ret i32 %t
     58 }
     59 
     60 ; CHECK-LABEL: store_i64_with_unfolded_gep_offset:
     61 ; CHECK: i32.const $push[[L0:[0-9]+]]=, 24{{$}}
     62 ; CHECK: i32.add   $push[[L1:[0-9]+]]=, $0, $pop[[L0]]{{$}}
     63 ; CHECK: i64.const $push[[L2:[0-9]+]]=, 0{{$}}
     64 ; CHECK: i64.store 0($pop[[L1]]), $pop[[L2]]{{$}}
     65 define void @store_i64_with_unfolded_gep_offset(i64* %p) {
     66   %s = getelementptr i64, i64* %p, i32 3
     67   store i64 0, i64* %s
     68   ret void
     69 }
     70 
     71 ; CHECK-LABEL: store_i8_with_folded_gep_offset:
     72 ; CHECK: i32.store8 24($0), $pop{{[0-9]+$}}
     73 define void @store_i8_with_folded_gep_offset(i8* %p) {
     74   %s = getelementptr inbounds i8, i8* %p, i32 24
     75   store i8 0, i8* %s
     76   ret void
     77 }
     78 
     79 ; CHECK-LABEL: load_i8_u_with_folded_offset:
     80 ; CHECK: i32.load8_u $push{{[0-9]+}}=, 24($0){{$}}
     81 define i32 @load_i8_u_with_folded_offset(i8* %p) {
     82   %q = ptrtoint i8* %p to i32
     83   %r = add nuw i32 %q, 24
     84   %s = inttoptr i32 %r to i8*
     85   %t = load i8, i8* %s
     86   %u = zext i8 %t to i32
     87   ret i32 %u
     88 }
     89 
     90 ; TODO: this should be load8_s, need to fold sign-/zero-extend in fast-isel
     91 ; CHECK-LABEL: load_i8_s_with_folded_offset:
     92 ; CHECK: i32.load8_u $push{{[0-9]+}}=, 24($0){{$}}
     93 define i32 @load_i8_s_with_folded_offset(i8* %p) {
     94   %q = ptrtoint i8* %p to i32
     95   %r = add nuw i32 %q, 24
     96   %s = inttoptr i32 %r to i8*
     97   %t = load i8, i8* %s
     98   %u = sext i8 %t to i32
     99   ret i32 %u
    100 }
    101