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https://github.com/c64scene-ar/llvm-6502.git
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f2f6ce65b7
input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
50 lines
1.6 KiB
LLVM
50 lines
1.6 KiB
LLVM
; RUN: opt < %s -ipconstprop -S > %t
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; RUN: cat %t | grep {store i32 %Z, i32\\* %Q}
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; RUN: cat %t | grep {add i32 1, 3}
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;; This function returns its second argument on all return statements
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define internal i32* @incdec(i1 %C, i32* %V) {
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%X = load i32* %V
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br i1 %C, label %T, label %F
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T: ; preds = %0
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%X1 = add i32 %X, 1
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store i32 %X1, i32* %V
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ret i32* %V
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F: ; preds = %0
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%X2 = sub i32 %X, 1
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store i32 %X2, i32* %V
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ret i32* %V
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}
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;; This function returns its first argument as a part of a multiple return
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;; value
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define internal { i32, i32 } @foo(i32 %A, i32 %B) {
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%X = add i32 %A, %B
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%Y = insertvalue { i32, i32 } undef, i32 %A, 0
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%Z = insertvalue { i32, i32 } %Y, i32 %X, 1
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ret { i32, i32 } %Z
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}
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define void @caller(i1 %C) {
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%Q = alloca i32
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;; Call incdec to see if %W is properly replaced by %Q
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%W = call i32* @incdec(i1 %C, i32* %Q ) ; <i32> [#uses=1]
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;; Call @foo twice, to prevent the arguments from propagating into the
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;; function (so we can check the returned argument is properly
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;; propagated per-caller).
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%S1 = call { i32, i32 } @foo(i32 1, i32 2);
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%X1 = extractvalue { i32, i32 } %S1, 0
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%S2 = invoke { i32, i32 } @foo(i32 3, i32 4) to label %OK unwind label %RET;
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OK:
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%X2 = extractvalue { i32, i32 } %S2, 0
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;; Do some stuff with the returned values which we can grep for
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%Z = add i32 %X1, %X2
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store i32 %Z, i32* %W
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br label %RET
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RET:
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ret void
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}
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