tinygo/interp/testdata/revert.ll
Nia Waldvogel c6ae1c58fc compiler: remove parentHandle from calling convention
This removes the parentHandle argument from the internal calling convention.
It was formerly used to implment coroutines.
Now that coroutines have been removed, it is no longer necessary.
2022-01-19 14:42:02 -05:00

74 строки
2 КиБ
LLVM

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64--linux"
declare void @externalCall(i64)
@foo.knownAtRuntime = global i64 0
@bar.knownAtRuntime = global i64 0
@baz.someGlobal = external global [3 x {i64, i32}]
@baz.someInt = global i32 0
@x.atomicNum = global i32 0
@x.volatileNum = global i32 0
@y.ready = global i32 0
define void @runtime.initAll() unnamed_addr {
entry:
call void @baz.init(i8* undef)
call void @foo.init(i8* undef)
call void @bar.init(i8* undef)
call void @main.init(i8* undef)
call void @x.init(i8* undef)
call void @y.init(i8* undef)
ret void
}
define internal void @foo.init(i8* %context) unnamed_addr {
store i64 5, i64* @foo.knownAtRuntime
unreachable ; this triggers a revert of @foo.init.
}
define internal void @bar.init(i8* %context) unnamed_addr {
%val = load i64, i64* @foo.knownAtRuntime
store i64 %val, i64* @bar.knownAtRuntime
ret void
}
define internal void @baz.init(i8* %context) unnamed_addr {
; Test extractvalue/insertvalue with more than one index.
%val = load [3 x {i64, i32}], [3 x {i64, i32}]* @baz.someGlobal
%part = extractvalue [3 x {i64, i32}] %val, 0, 1
%val2 = insertvalue [3 x {i64, i32}] %val, i32 5, 2, 1
unreachable ; trigger revert
}
define internal void @main.init(i8* %context) unnamed_addr {
entry:
call void @externalCall(i64 3)
ret void
}
define internal void @x.init(i8* %context) unnamed_addr {
; Test atomic and volatile memory accesses.
store atomic i32 1, i32* @x.atomicNum seq_cst, align 4
%x = load atomic i32, i32* @x.atomicNum seq_cst, align 4
store i32 %x, i32* @x.atomicNum
%y = load volatile i32, i32* @x.volatileNum
store volatile i32 %y, i32* @x.volatileNum
ret void
}
define internal void @y.init(i8* %context) unnamed_addr {
entry:
br label %loop
loop:
; Test a wait-loop.
; This function must be reverted.
%val = load atomic i32, i32* @y.ready seq_cst, align 4
%ready = icmp eq i32 %val, 1
br i1 %ready, label %end, label %loop
end:
ret void
}