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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -wasm-keep-registers | FileCheck %s
; RUN: llc < %s -wasm-keep-registers -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefix=FAST
target triple = "wasm32-unknown-unknown"
define i32 @return_i32(i32 %p) {
; CHECK-LABEL: return_i32:
; CHECK: .functype return_i32 (i32) -> (i32)
; CHECK-NEXT: # %bb.0:
; CHECK-NEXT: local.get $push0=, 0
; CHECK-NEXT: # fallthrough-return
;
; FAST-LABEL: return_i32:
; FAST: .functype return_i32 (i32) -> (i32)
; FAST-NEXT: # %bb.0:
; FAST-NEXT: local.get $push0=, 0
; FAST-NEXT: # fallthrough-return
ret i32 %p
}
define i32 @return_i32_twice(i32 %a) {
; CHECK-LABEL: return_i32_twice:
; CHECK: .functype return_i32_twice (i32) -> (i32)
; CHECK-NEXT: # %bb.0:
; CHECK-NEXT: block
; CHECK-NEXT: local.get $push6=, 0
; CHECK-NEXT: i32.eqz $push7=, $pop6
; CHECK-NEXT: br_if 0, $pop7 # 0: down to label0
; CHECK-NEXT: # %bb.1: # %true
; CHECK-NEXT: i32.const $push3=, 0
; CHECK-NEXT: i32.const $push5=, 0
; CHECK-NEXT: i32.store 0($pop3), $pop5
; CHECK-NEXT: i32.const $push4=, 1
; CHECK-NEXT: return $pop4
; CHECK-NEXT: .LBB1_2: # %false
; CHECK-NEXT: end_block # label0:
; CHECK-NEXT: i32.const $push1=, 0
; CHECK-NEXT: i32.const $push0=, 2
; CHECK-NEXT: i32.store 0($pop1), $pop0
; CHECK-NEXT: i32.const $push2=, 3
; CHECK-NEXT: # fallthrough-return
;
; FAST-LABEL: return_i32_twice:
; FAST: .functype return_i32_twice (i32) -> (i32)
; FAST-NEXT: # %bb.0:
; FAST-NEXT: block
; FAST-NEXT: local.get $push6=, 0
; FAST-NEXT: i32.eqz $push7=, $pop6
; FAST-NEXT: br_if 0, $pop7 # 0: down to label0
; FAST-NEXT: # %bb.1: # %true
; FAST-NEXT: i32.const $push4=, 0
; FAST-NEXT: i32.const $push5=, 0
; FAST-NEXT: i32.store 0($pop4), $pop5
; FAST-NEXT: i32.const $push3=, 1
; FAST-NEXT: return $pop3
; FAST-NEXT: .LBB1_2: # %false
; FAST-NEXT: end_block # label0:
; FAST-NEXT: i32.const $push1=, 0
; FAST-NEXT: i32.const $push2=, 2
; FAST-NEXT: i32.store 0($pop1), $pop2
; FAST-NEXT: i32.const $push0=, 3
; FAST-NEXT: # fallthrough-return
%b = icmp ne i32 %a, 0
br i1 %b, label %true, label %false
true:
store i32 0, ptr null
ret i32 1
false:
store i32 2, ptr null
ret i32 3
}
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