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transform: do not track const globals

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This commit is contained in:
Jaden Weiss
2020-02-24 15:04:51 -05:00
committed by GitHub
parent c0b8716d7f
commit 67229af879
3 changed files with 13 additions and 5 deletions
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transform/testdata/gc-globals.ll
Vendored
+7 -3
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@@ -4,9 +4,11 @@ target triple = "wasm32-unknown-unknown-wasm"
%runtime._string = type { i8*, i32 }
%runtime._interface = type { i32, i8* }
@globalInt = constant i32 5
@globalString = constant %runtime._string zeroinitializer
@globalInterface = constant %runtime._interface zeroinitializer
@globalInt = global i32 5
@globalString = global %runtime._string zeroinitializer
@globalInterface = global %runtime._interface zeroinitializer
@constString = constant %runtime._string zeroinitializer
@constInterface = constant %runtime._interface zeroinitializer
@runtime.trackedGlobalsLength = external global i32
@runtime.trackedGlobalsBitmap = external global [0 x i8]
@runtime.trackedGlobalsStart = external global i32
@@ -15,6 +17,8 @@ define void @main() {
%1 = load i32, i32* @globalInt
%2 = load %runtime._string, %runtime._string* @globalString
%3 = load %runtime._interface, %runtime._interface* @globalInterface
%4 = load %runtime._string, %runtime._string* @constString
%5 = load %runtime._interface, %runtime._interface* @constInterface
ret void
}
transform/testdata/gc-globals.out.ll
Vendored
+5 -1
View File
@@ -4,7 +4,9 @@ target triple = "wasm32-unknown-unknown-wasm"
%runtime._string = type { i8*, i32 }
%runtime._interface = type { i32, i8* }
@globalInt = constant i32 5
@globalInt = global i32 5
@constString = constant %runtime._string zeroinitializer
@constInterface = constant %runtime._interface zeroinitializer
@runtime.trackedGlobalsLength = global i32 4
@runtime.trackedGlobalsBitmap = external global [0 x i8]
@runtime.trackedGlobalsStart = global i32 ptrtoint ({ %runtime._string, %runtime._interface }* @tinygo.trackedGlobals to i32)
@@ -15,6 +17,8 @@ define void @main() {
%1 = load i32, i32* @globalInt
%2 = load %runtime._string, %runtime._string* getelementptr inbounds ({ %runtime._string, %runtime._interface }, { %runtime._string, %runtime._interface }* @tinygo.trackedGlobals, i32 0, i32 0)
%3 = load %runtime._interface, %runtime._interface* getelementptr inbounds ({ %runtime._string, %runtime._interface }, { %runtime._string, %runtime._interface }* @tinygo.trackedGlobals, i32 0, i32 1)
%4 = load %runtime._string, %runtime._string* @constString
%5 = load %runtime._interface, %runtime._interface* @constInterface
ret void
}