; 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 }