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// |jit-test| test-also=--wasm-compiler=optimizing; skip-if: !wasmDebuggingEnabled()
// Checking if we destroying work registers by breakpoint/step handler.
load(libdir + "wasm.js");
// Running the following code compiled from C snippet:
//
// signed func0(signed n) {
// double a = 1; float b = 0; signed c = 1; long long d = 1;
// for (;n > 0; n--) {
// a *= c; b += c; c++; d <<= 1;
// }
// return (signed)a + (signed)b + c + (signed)d;
// }
//
var onStepCalled;
wasmRunWithDebugger(
`(module
(func $func0 (param $var0 i32) (result i32)
(local $var1 i32) (local $var2 i64) (local $var3 f64) (local $var4 f32)
(local $var5 f64) (local $var6 i32) (local $var7 i32) (local $var8 i32)
i32.const 1
local.set $var1
i32.const 0
local.set $var7
i32.const 1
local.set $var6
i32.const 1
local.set $var8
block $label0
local.get $var0
i32.const 1
i32.lt_s
br_if $label0
local.get $var0
i32.const 1
i32.add
local.set $var1
f32.const 0
local.set $var4
i64.const 1
local.set $var2
f64.const 1
local.set $var3
i32.const 1
local.set $var0
f64.const 1
local.set $var5
block
loop $label1
local.get $var2
i64.const 1
i64.shl
local.set $var2
local.get $var5
local.get $var3
f64.mul
local.set $var5
local.get $var4
local.get $var0
f32.convert_i32_s
f32.add
local.set $var4
local.get $var3
f64.const 1
f64.add
local.set $var3
local.get $var0
i32.const 1
i32.add
local.tee $var6
local.set $var0
local.get $var1
i32.const -1
i32.add
local.tee $var1
i32.const 1
i32.gt_s
br_if $label1
end $label1
end
local.get $var2
i32.wrap_i64
local.set $var1
local.get $var4
i32.trunc_f32_s
local.set $var7
local.get $var5
i32.trunc_f64_s
local.set $var8
end $label0
local.get $var7
local.get $var8
i32.add
local.get $var6
i32.add
local.get $var1
i32.add
return
)
(func (export "test") (result i32) (call $func0 (i32.const 4)))
)`.split('\n').join(' '),
undefined,
function ({dbg}) {
onStepCalled = [];
dbg.onEnterFrame = function (frame) {
if (frame.type != 'wasmcall') return;
frame.onStep = function () {
onStepCalled.push(frame.offset);
};
};
},
function ({result, error}) {
assertEq(result, /* func0(4) = */ 55);
assertEq(error, undefined);
// The number below reflects amount of wasm operators executed during
// the run of the test function, which runs $func0(4). It can change
// when the code above and/or meaning of wasm operators will change.
assertEq(onStepCalled.length, 85);
}
);
|
