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https://github.com/c64scene-ar/llvm-6502.git
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d4427b6d31
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33215 91177308-0d34-0410-b5e6-96231b3b80d8
44 lines
1.1 KiB
LLVM
44 lines
1.1 KiB
LLVM
; This testcase tests to see if adds and PHI's are handled in their full
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; generality. This testcase comes from the following C code:
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;
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; void f() {
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; int i;
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; for (i = 1; i < 100; i++) {
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; if (i)
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; g();
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; }
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; }
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;
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; Note that this is a "feature" test, not a correctness test.
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;
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; XFAIL: *
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; RUN: llvm-upgrade < %s | llvm-as | opt -cee -simplifycfg -disable-output &&
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; RUN: llvm-upgrade < %s | llvm-as | opt -cee -simplifycfg | llvm-dis | not grep cond213
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;
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implementation ; Functions:
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declare void %g()
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void %f() {
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bb0: ; No predecessors!
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br label %bb2
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bb2: ; preds = %bb4, %bb0
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%cann-indvar = phi int [ 0, %bb0 ], [ %add1-indvar, %bb4 ] ; <int> [#uses=2]
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%add1-indvar = add int %cann-indvar, 1 ; <int> [#uses=2]
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%cond213 = seteq int %add1-indvar, 0 ; <bool> [#uses=1]
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br bool %cond213, label %bb4, label %bb3
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bb3: ; preds = %bb2
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call void %g( )
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br label %bb4
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bb4: ; preds = %bb3, %bb2
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%reg109 = add int %cann-indvar, 2 ; <int> [#uses=1]
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%cond217 = setle int %reg109, 99 ; <bool> [#uses=1]
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br bool %cond217, label %bb2, label %bb5
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bb5: ; preds = %bb4
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ret void
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}
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