90 lines
3 KiB
LLVM
90 lines
3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc < %s --mtriple=wasm32-unknown-unknown | FileCheck %s
|
|
|
|
%alloca_cell = type ptr addrspace(1)
|
|
|
|
; We have a set of tests in which we set a local and then reload the
|
|
; local. If the load immediately follows the set, the DAG combiner will
|
|
; infer that the reloaded value is the same value that was set, which
|
|
; isn't what we want to test. To inhibit this optimization, we include
|
|
; an opaque call between the store and the load.
|
|
declare void @inhibit_store_to_load_forwarding()
|
|
|
|
define i32 @ir_local_i32(i32 %arg) {
|
|
; CHECK-LABEL: ir_local_i32:
|
|
; CHECK: .functype ir_local_i32 (i32) -> (i32)
|
|
; CHECK-NEXT: .local i32
|
|
; CHECK-NEXT: # %bb.0:
|
|
; CHECK-NEXT: local.get 0
|
|
; CHECK-NEXT: local.set 1
|
|
; CHECK-NEXT: call inhibit_store_to_load_forwarding
|
|
; CHECK-NEXT: local.get 1
|
|
; CHECK-NEXT: # fallthrough-return
|
|
%retval = alloca i32, addrspace(1)
|
|
store i32 %arg, %alloca_cell %retval
|
|
call void @inhibit_store_to_load_forwarding()
|
|
%reloaded = load i32, %alloca_cell %retval
|
|
ret i32 %reloaded
|
|
}
|
|
|
|
define i64 @ir_local_i64(i64 %arg) {
|
|
; CHECK-LABEL: ir_local_i64:
|
|
; CHECK: .functype ir_local_i64 (i64) -> (i64)
|
|
; CHECK-NEXT: .local i64
|
|
; CHECK-NEXT: # %bb.0:
|
|
; CHECK-NEXT: local.get 0
|
|
; CHECK-NEXT: local.set 1
|
|
; CHECK-NEXT: call inhibit_store_to_load_forwarding
|
|
; CHECK-NEXT: local.get 1
|
|
; CHECK-NEXT: # fallthrough-return
|
|
%retval = alloca i64, addrspace(1)
|
|
store i64 %arg, %alloca_cell %retval
|
|
call void @inhibit_store_to_load_forwarding()
|
|
%reloaded = load i64, %alloca_cell %retval
|
|
; See note in ir_local_i32.
|
|
ret i64 %reloaded
|
|
}
|
|
|
|
define float @ir_local_f32(float %arg) {
|
|
; CHECK-LABEL: ir_local_f32:
|
|
; CHECK: .functype ir_local_f32 (f32) -> (f32)
|
|
; CHECK-NEXT: .local f32
|
|
; CHECK-NEXT: # %bb.0:
|
|
; CHECK-NEXT: local.get 0
|
|
; CHECK-NEXT: local.set 1
|
|
; CHECK-NEXT: call inhibit_store_to_load_forwarding
|
|
; CHECK-NEXT: local.get 1
|
|
; CHECK-NEXT: # fallthrough-return
|
|
%retval = alloca float, addrspace(1)
|
|
store float %arg, %alloca_cell %retval
|
|
call void @inhibit_store_to_load_forwarding()
|
|
%reloaded = load float, %alloca_cell %retval
|
|
ret float %reloaded
|
|
}
|
|
|
|
define double @ir_local_f64(double %arg) {
|
|
; CHECK-LABEL: ir_local_f64:
|
|
; CHECK: .functype ir_local_f64 (f64) -> (f64)
|
|
; CHECK-NEXT: .local f64
|
|
; CHECK-NEXT: # %bb.0:
|
|
; CHECK-NEXT: local.get 0
|
|
; CHECK-NEXT: local.set 1
|
|
; CHECK-NEXT: call inhibit_store_to_load_forwarding
|
|
; CHECK-NEXT: local.get 1
|
|
; CHECK-NEXT: # fallthrough-return
|
|
%retval = alloca double, addrspace(1)
|
|
store double %arg, %alloca_cell %retval
|
|
call void @inhibit_store_to_load_forwarding()
|
|
%reloaded = load double, %alloca_cell %retval
|
|
ret double %reloaded
|
|
}
|
|
|
|
define void @ir_unreferenced_local() {
|
|
; CHECK-LABEL: ir_unreferenced_local:
|
|
; CHECK: .functype ir_unreferenced_local () -> ()
|
|
; CHECK-NEXT: .local i32
|
|
; CHECK-NEXT: # %bb.0:
|
|
; CHECK-NEXT: # fallthrough-return
|
|
%unused = alloca i32, addrspace(1)
|
|
ret void
|
|
}
|