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a9d0c9dc58
a direct call with cast parameters and cast return value (if any), instcombine was prepared to cast any non-void return value into any other, whether castable or not. Add a new predicate for testing whether casting is valid, and check it both for the return value and (as a cleanup) for the parameters. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45657 91177308-0d34-0410-b5e6-96231b3b80d8
11 lines
229 B
LLVM
11 lines
229 B
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep bitcast
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define void @f(i16 %y) {
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ret void
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}
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define i32 @g(i32 %y) {
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%x = call i32 bitcast (void (i16)* @f to i32 (i32)*)( i32 %y ) ; <i32> [#uses=1]
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ret i32 %x
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}
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