0e2ceb8121
Gracefully leave code that performs function-pointer bitcasts implying non-trivial pointer conversions alone, rather than aborting, since it's just undefined behavior. llvm-svn: 291326
27 lines
814 B
LLVM
27 lines
814 B
LLVM
; RUN: llc < %s -asm-verbose=false | FileCheck %s
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; Test that function pointer casts that require conversions are not converted
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; to wrappers. In theory some conversions could be supported, but currently no
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; conversions are implemented.
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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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; CHECK-LABEL: test:
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; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: call has_i64_arg@FUNCTION, $pop[[L0]]{{$}}
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; CHECK-NEXT: i32.call $drop=, has_i64_ret@FUNCTION{{$}}
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; CHECK-NEXT: .endfunc
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; CHECK-NOT: .Lbitcast
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declare void @has_i64_arg(i64)
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declare i64 @has_i64_ret()
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define void @test() {
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entry:
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call void bitcast (void (i64)* @has_i64_arg to void (i32)*)(i32 0)
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%t = call i32 bitcast (i64 ()* @has_i64_ret to i32 ()*)()
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ret void
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}
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