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; RUN: llc < %s --mtriple=wasm32-unknown-unknown -asm-verbose=false | FileCheck %s
%i32_cell = type ptr addrspace(1)
%i64_cell = type ptr addrspace(1)
%f32_cell = type ptr addrspace(1)
%f64_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-NEXT: .functype ir_local_i32 (i32) -> (i32)
%retval = alloca i32, addrspace(1)
; CHECK-NEXT: .local i32
store i32 %arg, %i32_cell %retval
; CHECK-NEXT: local.get 0
; CHECK-NEXT: local.set 1
call void @inhibit_store_to_load_forwarding()
; CHECK-NEXT: call inhibit_store_to_load_forwarding
%reloaded = load i32, %i32_cell %retval
; CHECK-NEXT: local.get 1
ret i32 %reloaded
; CHECK-NEXT: end_function
}
define i64 @ir_local_i64(i64 %arg) {
; CHECK-LABEL: ir_local_i64:
; CHECK-NEXT: .functype ir_local_i64 (i64) -> (i64)
%retval = alloca i64, addrspace(1)
; CHECK-NEXT: .local i64
store i64 %arg, %i64_cell %retval
; CHECK-NEXT: local.get 0
; CHECK-NEXT: local.set 1
call void @inhibit_store_to_load_forwarding()
; CHECK-NEXT: call inhibit_store_to_load_forwarding
%reloaded = load i64, %i64_cell %retval
; See note in ir_local_i32.
; CHECK-NEXT: local.get 1
ret i64 %reloaded
; CHECK-NEXT: end_function
}
define float @ir_local_f32(float %arg) {
; CHECK-LABEL: ir_local_f32:
; CHECK-NEXT: .functype ir_local_f32 (f32) -> (f32)
%retval = alloca float, addrspace(1)
; CHECK-NEXT: .local f32
store float %arg, %f32_cell %retval
; CHECK-NEXT: local.get 0
; CHECK-NEXT: local.set 1
call void @inhibit_store_to_load_forwarding()
; CHECK-NEXT: call inhibit_store_to_load_forwarding
%reloaded = load float, %f32_cell %retval
; CHECK-NEXT: local.get 1
; CHECK-NEXT: end_function
ret float %reloaded
}
define double @ir_local_f64(double %arg) {
; CHECK-LABEL: ir_local_f64:
; CHECK-NEXT: .functype ir_local_f64 (f64) -> (f64)
%retval = alloca double, addrspace(1)
; CHECK-NEXT: .local f64
store double %arg, %f64_cell %retval
; CHECK-NEXT: local.get 0
; CHECK-NEXT: local.set 1
call void @inhibit_store_to_load_forwarding()
; CHECK-NEXT: call inhibit_store_to_load_forwarding
%reloaded = load double, %f64_cell %retval
; CHECK-NEXT: local.get 1
; CHECK-NEXT: end_function
ret double %reloaded
}
define void @ir_unreferenced_local() {
; CHECK-LABEL: ir_unreferenced_local:
; CHECK-NEXT: .functype ir_unreferenced_local () -> ()
%unused = alloca i32, addrspace(1)
; CHECK-NEXT: .local i32
ret void
; CHECK-NEXT: end_function
}
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