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bd828c852a
Summary: Extends the multivalue call infrastructure to tail calls, removes all legacy calls specialized for particular result types, and removes the CallIndirectFixup pass, since all indirect call arguments are now fixed up directly in the post-insertion hook. In order to keep supporting pretty-printed defs and uses in test expectations, MCInstLower now inserts an immediate containing the number of defs for each call and call_indirect. The InstPrinter is updated to query this immediate if it is present and determine which MCOperands are defs and uses accordingly. Depends on D72902. Reviewers: aheejin Subscribers: dschuff, mgorny, sbc100, jgravelle-google, hiraditya, sunfish, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D74192
242 lines
8.6 KiB
LLVM
242 lines
8.6 KiB
LLVM
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -mattr=+sign-ext,+simd128 | FileCheck --check-prefixes=CHECK,NO-TAIL,SLOW-NO-TAIL %s
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; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -fast-isel -fast-isel-abort=1 -mattr=+sign-ext,+simd128 | FileCheck --check-prefixes=CHECK,NO-TAIL,FAST,FAST-NO-TAIL %s
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; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -mattr=+sign-ext,+simd128,+tail-call | FileCheck --check-prefixes=CHECK,TAIL,SLOW-TAIL %s
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; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -fast-isel -fast-isel-abort=1 -mattr=+sign-ext,+simd128,+tail-call | FileCheck --check-prefixes=CHECK,TAIL,FAST-TAIL %s
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; Test that basic call operations assemble as expected.
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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declare i32 @i32_nullary()
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declare i32 @i32_unary(i32)
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declare i32 @i32_binary(i32, i32)
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declare i64 @i64_nullary()
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declare float @float_nullary()
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declare double @double_nullary()
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declare <16 x i8> @v128_nullary()
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declare void @void_nullary()
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; CHECK-LABEL: call_i32_nullary:
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; CHECK-NEXT: .functype call_i32_nullary () -> (i32){{$}}
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; CHECK-NEXT: {{^}} call $push[[NUM:[0-9]+]]=, i32_nullary{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define i32 @call_i32_nullary() {
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%r = call i32 @i32_nullary()
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ret i32 %r
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}
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; CHECK-LABEL: call_i64_nullary:
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; CHECK-NEXT: .functype call_i64_nullary () -> (i64){{$}}
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; CHECK-NEXT: {{^}} call $push[[NUM:[0-9]+]]=, i64_nullary{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define i64 @call_i64_nullary() {
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%r = call i64 @i64_nullary()
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ret i64 %r
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}
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; CHECK-LABEL: call_float_nullary:
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; CHECK-NEXT: .functype call_float_nullary () -> (f32){{$}}
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; CHECK-NEXT: {{^}} call $push[[NUM:[0-9]+]]=, float_nullary{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define float @call_float_nullary() {
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%r = call float @float_nullary()
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ret float %r
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}
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; CHECK-LABEL: call_double_nullary:
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; CHECK-NEXT: .functype call_double_nullary () -> (f64){{$}}
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; CHECK-NEXT: {{^}} call $push[[NUM:[0-9]+]]=, double_nullary{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define double @call_double_nullary() {
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%r = call double @double_nullary()
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ret double %r
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}
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; CHECK-LABEL: call_v128_nullary:
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; CHECK-NEXT: .functype call_v128_nullary () -> (v128){{$}}
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; CHECK-NEXT: {{^}} call $push[[NUM:[0-9]+]]=, v128_nullary{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define <16 x i8> @call_v128_nullary() {
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%r = call <16 x i8> @v128_nullary()
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ret <16 x i8> %r
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}
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; CHECK-LABEL: call_void_nullary:
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; CHECK-NEXT: .functype call_void_nullary () -> (){{$}}
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; CHECK-NEXT: {{^}} call void_nullary{{$}}
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; CHECK-NEXT: return{{$}}
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define void @call_void_nullary() {
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call void @void_nullary()
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ret void
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}
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; CHECK-LABEL: call_i32_unary:
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; CHECK-NEXT: .functype call_i32_unary (i32) -> (i32){{$}}
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; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: {{^}} call $push[[NUM:[0-9]+]]=, i32_unary, $pop[[L0]]{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define i32 @call_i32_unary(i32 %a) {
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%r = call i32 @i32_unary(i32 %a)
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ret i32 %r
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}
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; CHECK-LABEL: call_i32_binary:
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; CHECK-NEXT: .functype call_i32_binary (i32, i32) -> (i32){{$}}
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; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: local.get $push[[L1:[0-9]+]]=, 1{{$}}
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; CHECK-NEXT: {{^}} call $push[[NUM:[0-9]+]]=, i32_binary, $pop[[L0]], $pop[[L1]]{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define i32 @call_i32_binary(i32 %a, i32 %b) {
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%r = call i32 @i32_binary(i32 %a, i32 %b)
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ret i32 %r
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}
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; CHECK-LABEL: call_indirect_void:
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; CHECK-NEXT: .functype call_indirect_void (i32) -> (){{$}}
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; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: {{^}} call_indirect $pop[[L0]]{{$}}
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; CHECK-NEXT: return{{$}}
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define void @call_indirect_void(void ()* %callee) {
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call void %callee()
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ret void
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}
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; CHECK-LABEL: call_indirect_i32:
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; CHECK-NEXT: .functype call_indirect_i32 (i32) -> (i32){{$}}
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; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: {{^}} call_indirect $push[[NUM:[0-9]+]]=, $pop[[L0]]{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define i32 @call_indirect_i32(i32 ()* %callee) {
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%t = call i32 %callee()
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ret i32 %t
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}
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; CHECK-LABEL: call_indirect_i64:
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; CHECK-NEXT: .functype call_indirect_i64 (i32) -> (i64){{$}}
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; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: {{^}} call_indirect $push[[NUM:[0-9]+]]=, $pop[[L0]]{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define i64 @call_indirect_i64(i64 ()* %callee) {
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%t = call i64 %callee()
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ret i64 %t
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}
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; CHECK-LABEL: call_indirect_float:
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; CHECK-NEXT: .functype call_indirect_float (i32) -> (f32){{$}}
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; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: {{^}} call_indirect $push[[NUM:[0-9]+]]=, $pop[[L0]]{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define float @call_indirect_float(float ()* %callee) {
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%t = call float %callee()
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ret float %t
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}
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; CHECK-LABEL: call_indirect_double:
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; CHECK-NEXT: .functype call_indirect_double (i32) -> (f64){{$}}
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; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: {{^}} call_indirect $push[[NUM:[0-9]+]]=, $pop[[L0]]{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define double @call_indirect_double(double ()* %callee) {
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%t = call double %callee()
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ret double %t
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}
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; CHECK-LABEL: call_indirect_v128:
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; CHECK-NEXT: .functype call_indirect_v128 (i32) -> (v128){{$}}
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; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: {{^}} call_indirect $push[[NUM:[0-9]+]]=, $pop[[L0]]{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define <16 x i8> @call_indirect_v128(<16 x i8> ()* %callee) {
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%t = call <16 x i8> %callee()
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ret <16 x i8> %t
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}
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; CHECK-LABEL: call_indirect_arg:
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; CHECK-NEXT: .functype call_indirect_arg (i32, i32) -> (){{$}}
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; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 1{{$}}
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; CHECK-NEXT: local.get $push[[L1:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: {{^}} call_indirect $pop[[L0]], $pop[[L1]]{{$}}
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; CHECK-NEXT: return{{$}}
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define void @call_indirect_arg(void (i32)* %callee, i32 %arg) {
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call void %callee(i32 %arg)
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ret void
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}
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; CHECK-LABEL: call_indirect_arg_2:
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; CHECK-NEXT: .functype call_indirect_arg_2 (i32, i32, i32) -> (){{$}}
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; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 1{{$}}
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; CHECK-NEXT: local.get $push[[L1:[0-9]+]]=, 2{{$}}
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; CHECK-NEXT: local.get $push[[L2:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: {{^}} call_indirect $push[[NUM:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $pop[[L2]]{{$}}
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; CHECK-NEXT: drop $pop[[NUM]]{{$}}
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; CHECK-NEXT: return{{$}}
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define void @call_indirect_arg_2(i32 (i32, i32)* %callee, i32 %arg, i32 %arg2) {
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call i32 %callee(i32 %arg, i32 %arg2)
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ret void
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}
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; CHECK-LABEL: tail_call_void_nullary:
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; CHECK-NEXT: .functype tail_call_void_nullary () -> (){{$}}
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; NO-TAIL-NEXT: {{^}} call void_nullary{{$}}
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; NO-TAIL-NEXT: return{{$}}
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; SLOW-TAIL-NEXT: {{^}} return_call void_nullary{{$}}
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; FAST-TAIL-NEXT: {{^}} call void_nullary{{$}}
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; FAST-TAIL-NEXT: return{{$}}
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define void @tail_call_void_nullary() {
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tail call void @void_nullary()
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ret void
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}
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; CHECK-LABEL: fastcc_tail_call_void_nullary:
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; CHECK-NEXT: .functype fastcc_tail_call_void_nullary () -> (){{$}}
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; NO-TAIL-NEXT: {{^}} call void_nullary{{$}}
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; NO-TAIL-NEXT: return{{$}}
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; SLOW-TAIL-NEXT: {{^}} return_call void_nullary{{$}}
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; FAST-TAIL-NEXT: {{^}} call void_nullary{{$}}
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; FAST-TAIL-NEXT: return{{$}}
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define void @fastcc_tail_call_void_nullary() {
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tail call fastcc void @void_nullary()
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ret void
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}
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; CHECK-LABEL: coldcc_tail_call_void_nullary:
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; CHECK-NEXT: .functype coldcc_tail_call_void_nullary () -> (){{$}}
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; NO-TAIL-NEXT: {{^}} call void_nullary{{$}}
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; NO-TAIL-NEXT: return{{$}}
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; SLOW-TAIL-NEXT: {{^}} return_call void_nullary{{$}}
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; FAST-TAIL-NEXT: {{^}} call void_nullary{{$}}
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; FAST-TAIL-NEXT: return{{$}}
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define void @coldcc_tail_call_void_nullary() {
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tail call coldcc void @void_nullary()
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ret void
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}
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; CHECK-LABEL: call_constexpr:
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; CHECK-NEXT: .functype call_constexpr () -> (){{$}}
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; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 2{{$}}
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; CHECK-NEXT: i32.const $push[[L1:[0-9]+]]=, 3{{$}}
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; CHECK-NEXT: call .Lvararg_func_bitcast, $pop[[L0]], $pop[[L1]]{{$}}
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; CHECK-NEXT: call other_void_nullary{{$}}
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; CHECK-NEXT: call void_nullary{{$}}
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; CHECK-NEXT: return{{$}}
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declare void @vararg_func(...)
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declare void @other_void_nullary()
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define void @call_constexpr() {
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bb0:
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call void bitcast (void (...)* @vararg_func to void (i32, i32)*)(i32 2, i32 3)
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br label %bb1
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bb1:
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call void select (i1 0, void ()* @void_nullary, void ()* @other_void_nullary)()
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br label %bb2
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bb2:
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call void inttoptr (i32 ptrtoint (void ()* @void_nullary to i32) to void ()*)()
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ret void
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}
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; TODO: test the following:
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; - More argument combinations.
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; - Tail call.
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; - Interesting returns (struct, multiple).
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; - Vararg.
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