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llvm-mirror/test/CodeGen/WebAssembly/offset-fastisel.ll
Thomas Lively 81bb5f99ad [WebAssembly] Remove datalayout strings from llc tests
The data layout strings do not have any effect on llc tests and will become
misleadingly out of date as we continue to update the canonical data layout, so
remove them from the tests.

Differential Revision: https://reviews.llvm.org/D105842
2021-07-14 11:17:08 -07:00

100 lines
3.3 KiB
LLVM

; RUN: llc < %s -asm-verbose=false -wasm-disable-explicit-locals -wasm-keep-registers -fast-isel -fast-isel-abort=1 | FileCheck %s
; TODO: Merge this with offset.ll when fast-isel matches better.
target triple = "wasm32-unknown-unknown"
; CHECK-LABEL: store_i8_with_variable_gep_offset:
; CHECK: i32.add $push[[L0:[0-9]+]]=, $0, $1{{$}}
; CHECK: i32.const $push[[L1:[0-9]+]]=, 0{{$}}
; CHECK: i32.store8 0($pop[[L0]]), $pop[[L1]]{{$}}
define void @store_i8_with_variable_gep_offset(i8* %p, i32 %idx) {
%s = getelementptr inbounds i8, i8* %p, i32 %idx
store i8 0, i8* %s
ret void
}
; CHECK-LABEL: store_i8_with_array_alloca_gep:
; CHECK: global.get $push[[L0:[0-9]+]]=, __stack_pointer
; CHECK: i32.const $push[[L1:[0-9]+]]=, 32{{$}}
; CHECK: i32.sub $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
; CHECK: local.copy $push[[L3:[0-9]+]]=, $pop[[L2]]
; CHECK: i32.add $push[[L4:[0-9]+]]=, $pop[[L3]], $0{{$}}
; CHECK: i32.const $push[[L5:[0-9]+]]=, 0{{$}}
; CHECK: i32.store8 0($pop[[L4]]), $pop[[L5]]{{$}}
define hidden void @store_i8_with_array_alloca_gep(i32 %idx) {
%A = alloca [30 x i8], align 16
%s = getelementptr inbounds [30 x i8], [30 x i8]* %A, i32 0, i32 %idx
store i8 0, i8* %s, align 1
ret void
}
; CHECK-LABEL: store_i32_with_unfolded_gep_offset:
; CHECK: i32.const $push[[L0:[0-9]+]]=, 24{{$}}
; CHECK: i32.add $push[[L1:[0-9]+]]=, $0, $pop[[L0]]{{$}}
; CHECK: i32.const $push[[L2:[0-9]+]]=, 0{{$}}
; CHECK: i32.store 0($pop[[L1]]), $pop[[L2]]{{$}}
define void @store_i32_with_unfolded_gep_offset(i32* %p) {
%s = getelementptr i32, i32* %p, i32 6
store i32 0, i32* %s
ret void
}
; CHECK-LABEL: store_i32_with_folded_gep_offset:
; CHECK: i32.store 24($0), $pop{{[0-9]+$}}
define void @store_i32_with_folded_gep_offset(i32* %p) {
%s = getelementptr inbounds i32, i32* %p, i32 6
store i32 0, i32* %s
ret void
}
; CHECK-LABEL: load_i32_with_folded_gep_offset:
; CHECK: i32.load $push{{[0-9]+}}=, 24($0){{$}}
define i32 @load_i32_with_folded_gep_offset(i32* %p) {
%s = getelementptr inbounds i32, i32* %p, i32 6
%t = load i32, i32* %s
ret i32 %t
}
; CHECK-LABEL: store_i64_with_unfolded_gep_offset:
; CHECK: i32.const $push[[L0:[0-9]+]]=, 24{{$}}
; CHECK: i32.add $push[[L1:[0-9]+]]=, $0, $pop[[L0]]{{$}}
; CHECK: i64.const $push[[L2:[0-9]+]]=, 0{{$}}
; CHECK: i64.store 0($pop[[L1]]), $pop[[L2]]{{$}}
define void @store_i64_with_unfolded_gep_offset(i64* %p) {
%s = getelementptr i64, i64* %p, i32 3
store i64 0, i64* %s
ret void
}
; CHECK-LABEL: store_i8_with_folded_gep_offset:
; CHECK: i32.store8 24($0), $pop{{[0-9]+$}}
define void @store_i8_with_folded_gep_offset(i8* %p) {
%s = getelementptr inbounds i8, i8* %p, i32 24
store i8 0, i8* %s
ret void
}
; CHECK-LABEL: load_i8_u_with_folded_offset:
; CHECK: i32.load8_u $push{{[0-9]+}}=, 24($0){{$}}
define i32 @load_i8_u_with_folded_offset(i8* %p) {
%q = ptrtoint i8* %p to i32
%r = add nuw i32 %q, 24
%s = inttoptr i32 %r to i8*
%t = load i8, i8* %s
%u = zext i8 %t to i32
ret i32 %u
}
; TODO: this should be load8_s, need to fold sign-/zero-extend in fast-isel
; CHECK-LABEL: load_i8_s_with_folded_offset:
; CHECK: i32.load8_u $push{{[0-9]+}}=, 24($0){{$}}
define i32 @load_i8_s_with_folded_offset(i8* %p) {
%q = ptrtoint i8* %p to i32
%r = add nuw i32 %q, 24
%s = inttoptr i32 %r to i8*
%t = load i8, i8* %s
%u = sext i8 %t to i32
ret i32 %u
}