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d39c38d2bc
Switch to MC for instruction printing. This encompasses several changes which are all interconnected: - Use the MC framework for printing almost all instructions. - AsmStrings are now live. - This introduces an indirection between LLVM vregs and WebAssembly registers, and a new pass, WebAssemblyRegNumbering, for computing a basic the mapping. This addresses some basic issues with argument registers and unused registers. - The way ARGUMENT instructions are handled no longer generates redundant get_local+set_local for every argument. This also changes the assembly syntax somewhat; most notably, MC's printing does not use sigils on label names, so those are no longer present, and push/pop now have a sigil to keep them unambiguous. The usage of set_local/get_local/$push/$pop will continue to evolve significantly. This patch is just one step of a larger change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@252910 91177308-0d34-0410-b5e6-96231b3b80d8
144 lines
3.6 KiB
LLVM
144 lines
3.6 KiB
LLVM
; RUN: llc < %s -asm-verbose=false | FileCheck %s
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; Test that basic call operations assemble as expected.
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target datalayout = "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 void @void_nullary()
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; CHECK-LABEL: call_i32_nullary:
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; CHECK-NEXT: .result i32
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; CHECK-NEXT: .local i32
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; CHECK-NEXT: call i32_nullary, $push{{$}}
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; CHECK-NEXT: set_local 0, $pop
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; CHECK-NEXT: return (get_local 0)
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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: .result i64
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; CHECK-NEXT: .local i64
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; CHECK-NEXT: call i64_nullary, $push{{$}}
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; CHECK-NEXT: set_local 0, $pop
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; CHECK-NEXT: return (get_local 0)
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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: .result f32
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; CHECK-NEXT: .local f32
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; CHECK-NEXT: call float_nullary, $push{{$}}
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; CHECK-NEXT: set_local 0, $pop
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; CHECK-NEXT: return (get_local 0)
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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: .result f64
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; CHECK-NEXT: .local f64
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; CHECK-NEXT: call double_nullary, $push{{$}}
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; CHECK-NEXT: set_local 0, $pop
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; CHECK-NEXT: return (get_local 0)
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define double @call_double_nullary() {
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%r = call double @double_nullary()
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ret double %r
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}
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; CHECK-LABEL: call_void_nullary:
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; CHECK-NEXT: call void_nullary{{$}}
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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: .param i32
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; CHECK-NEXT: .result i32
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; CHECK-NEXT: .local i32, i32
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; CHECK-NEXT: call i32_unary, $push, (get_local 0){{$}}
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; CHECK-NEXT: set_local 1, $pop
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; CHECK-NEXT: return (get_local 1)
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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: .param i32
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; CHECK-NEXT: .param i32
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; CHECK-NEXT: .result i32
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; CHECK-NEXT: .local i32, i32, i32
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; CHECK-NEXT: call i32_binary, $push, (get_local 0), (get_local 1){{$}}
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; CHECK-NEXT: set_local 2, $pop
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; CHECK-NEXT: return (get_local 2)
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define i32 @call_i32_binary(i32 %a, i32 %b) {
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%r = call i32 @i32_binary(i32 %a, i32 %b)
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ret i32 %r
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}
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; CHECK-LABEL: call_indirect_void:
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; CHECK-NEXT: .param i32
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; CHECK-NEXT: .local i32
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; CHECK-NEXT: call_indirect (get_local 0){{$}}
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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: .param i32
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; CHECK-NEXT: .result i32
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; CHECK-NEXT: .local i32, i32
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; CHECK-NEXT: call_indirect (get_local 0), $push{{$}}
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; CHECK-NEXT: set_local 1, $pop
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; CHECK-NEXT: return (get_local 1)
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define i32 @call_indirect_i32(i32 ()* %callee) {
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%t = call i32 %callee()
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ret i32 %t
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}
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; CHECK-LABEL: tail_call_void_nullary:
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; CHECK-NEXT: call void_nullary{{$}}
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; CHECK-NEXT: return{{$}}
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define void @tail_call_void_nullary() {
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tail call void @void_nullary()
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ret void
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}
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; CHECK-LABEL: fastcc_tail_call_void_nullary:
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; CHECK-NEXT: call void_nullary{{$}}
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; CHECK-NEXT: return{{$}}
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define void @fastcc_tail_call_void_nullary() {
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tail call fastcc void @void_nullary()
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ret void
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}
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; CHECK-LABEL: coldcc_tail_call_void_nullary:
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; CHECK-NEXT: call void_nullary
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; CHECK-NEXT: return{{$}}
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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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; FIXME 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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