forked from OSchip/llvm-project
101 lines
3.4 KiB
LLVM
101 lines
3.4 KiB
LLVM
; RUN: llc < %s -asm-verbose=false -wasm-disable-explicit-locals -wasm-keep-registers -fast-isel -fast-isel-abort=1 | FileCheck %s
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; TODO: Merge this with offset.ll when fast-isel matches better.
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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"
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; CHECK-LABEL: store_i8_with_variable_gep_offset:
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; CHECK: i32.add $push[[L0:[0-9]+]]=, $0, $1{{$}}
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; CHECK: i32.const $push[[L1:[0-9]+]]=, 0{{$}}
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; CHECK: i32.store8 0($pop[[L0]]), $pop[[L1]]{{$}}
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define void @store_i8_with_variable_gep_offset(i8* %p, i32 %idx) {
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%s = getelementptr inbounds i8, i8* %p, i32 %idx
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store i8 0, i8* %s
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ret void
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}
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; CHECK-LABEL: store_i8_with_array_alloca_gep:
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; CHECK: global.get $push[[L0:[0-9]+]]=, __stack_pointer
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; CHECK: i32.const $push[[L1:[0-9]+]]=, 32{{$}}
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; CHECK: i32.sub $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
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; CHECK: local.copy $push[[L3:[0-9]+]]=, $pop[[L2]]
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; CHECK: i32.add $push[[L4:[0-9]+]]=, $pop[[L3]], $0{{$}}
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; CHECK: i32.const $push[[L5:[0-9]+]]=, 0{{$}}
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; CHECK: i32.store8 0($pop[[L4]]), $pop[[L5]]{{$}}
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define hidden void @store_i8_with_array_alloca_gep(i32 %idx) {
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%A = alloca [30 x i8], align 16
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%s = getelementptr inbounds [30 x i8], [30 x i8]* %A, i32 0, i32 %idx
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store i8 0, i8* %s, align 1
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ret void
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}
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; CHECK-LABEL: store_i32_with_unfolded_gep_offset:
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; CHECK: i32.const $push[[L0:[0-9]+]]=, 24{{$}}
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; CHECK: i32.add $push[[L1:[0-9]+]]=, $0, $pop[[L0]]{{$}}
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; CHECK: i32.const $push[[L2:[0-9]+]]=, 0{{$}}
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; CHECK: i32.store 0($pop[[L1]]), $pop[[L2]]{{$}}
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define void @store_i32_with_unfolded_gep_offset(i32* %p) {
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%s = getelementptr i32, i32* %p, i32 6
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store i32 0, i32* %s
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ret void
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}
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; CHECK-LABEL: store_i32_with_folded_gep_offset:
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; CHECK: i32.store 24($0), $pop{{[0-9]+$}}
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define void @store_i32_with_folded_gep_offset(i32* %p) {
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%s = getelementptr inbounds i32, i32* %p, i32 6
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store i32 0, i32* %s
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ret void
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}
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; CHECK-LABEL: load_i32_with_folded_gep_offset:
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; CHECK: i32.load $push{{[0-9]+}}=, 24($0){{$}}
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define i32 @load_i32_with_folded_gep_offset(i32* %p) {
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%s = getelementptr inbounds i32, i32* %p, i32 6
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%t = load i32, i32* %s
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ret i32 %t
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}
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; CHECK-LABEL: store_i64_with_unfolded_gep_offset:
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; CHECK: i32.const $push[[L0:[0-9]+]]=, 24{{$}}
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; CHECK: i32.add $push[[L1:[0-9]+]]=, $0, $pop[[L0]]{{$}}
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; CHECK: i64.const $push[[L2:[0-9]+]]=, 0{{$}}
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; CHECK: i64.store 0($pop[[L1]]), $pop[[L2]]{{$}}
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define void @store_i64_with_unfolded_gep_offset(i64* %p) {
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%s = getelementptr i64, i64* %p, i32 3
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store i64 0, i64* %s
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ret void
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}
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; CHECK-LABEL: store_i8_with_folded_gep_offset:
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; CHECK: i32.store8 24($0), $pop{{[0-9]+$}}
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define void @store_i8_with_folded_gep_offset(i8* %p) {
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%s = getelementptr inbounds i8, i8* %p, i32 24
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store i8 0, i8* %s
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ret void
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}
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; CHECK-LABEL: load_i8_u_with_folded_offset:
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; CHECK: i32.load8_u $push{{[0-9]+}}=, 24($0){{$}}
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define i32 @load_i8_u_with_folded_offset(i8* %p) {
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%q = ptrtoint i8* %p to i32
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%r = add nuw i32 %q, 24
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%s = inttoptr i32 %r to i8*
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%t = load i8, i8* %s
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%u = zext i8 %t to i32
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ret i32 %u
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}
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; TODO: this should be load8_s, need to fold sign-/zero-extend in fast-isel
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; CHECK-LABEL: load_i8_s_with_folded_offset:
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; CHECK: i32.load8_u $push{{[0-9]+}}=, 24($0){{$}}
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define i32 @load_i8_s_with_folded_offset(i8* %p) {
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%q = ptrtoint i8* %p to i32
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%r = add nuw i32 %q, 24
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%s = inttoptr i32 %r to i8*
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%t = load i8, i8* %s
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%u = sext i8 %t to i32
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ret i32 %u
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}
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