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4002e04050
Re-enable the code to rewrite main-function signatures into "int main(int argc, char *argv[])", but limited to only handling the case of "int main(void)", so that it doesn't silently strip an argument in the "int main(int argc, char *argv[], char *envp[])" case. This allows main to be called by C startup code, since WebAssembly requires caller and callee signatures to match, so it can't rely on passing main a different number of arguments than it expects. Differential Revision: https://reviews.llvm.org/D57323 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@352479 91177308-0d34-0410-b5e6-96231b3b80d8
17 lines
394 B
LLVM
17 lines
394 B
LLVM
; RUN: llc < %s -asm-verbose=false | FileCheck %s
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; Test that main function with a non-standard third argument is
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; not wrapped.
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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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define i32 @main(i32 %a, i8** %b, i8** %c) {
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ret i32 0
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}
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; CHECK-LABEL: main:
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; CHECK-NEXT: .functype main (i32, i32, i32) -> (i32)
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; CHECK-NOT: __original_main:
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