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https://github.com/c64scene-ar/llvm-6502.git
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2b544beda3
Upgrade tests to work with new llvm.exp version of llvm_runtest. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36013 91177308-0d34-0410-b5e6-96231b3b80d8
46 lines
1.3 KiB
LLVM
46 lines
1.3 KiB
LLVM
; This test case was reduced from MultiSource/Applications/hbd. It makes sure
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; that folding doesn't happen in case a zext is applied where a sext should have
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; been when a setcc is used with two casts.
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; RUN: llvm-upgrade < %s | llvm-as | opt -instcombine | llvm-dis | \
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; RUN: not grep {br bool false}
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; END.
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int %bug(ubyte %inbuff) {
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entry:
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%tmp = bitcast ubyte %inbuff to sbyte ; <sbyte> [#uses=1]
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%tmp = sext sbyte %tmp to int ; <int> [#uses=3]
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%tmp = seteq int %tmp, 1 ; <bool> [#uses=1]
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br bool %tmp, label %cond_true, label %cond_next
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cond_true: ; preds = %entry
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br label %bb
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cond_next: ; preds = %entry
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%tmp3 = seteq int %tmp, -1 ; <bool> [#uses=1]
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br bool %tmp3, label %cond_true4, label %cond_next5
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cond_true4: ; preds = %cond_next
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br label %bb
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cond_next5: ; preds = %cond_next
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%tmp7 = setgt int %tmp, 1 ; <bool> [#uses=1]
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br bool %tmp7, label %cond_true8, label %cond_false
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cond_true8: ; preds = %cond_next5
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br label %cond_next9
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cond_false: ; preds = %cond_next5
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br label %cond_next9
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cond_next9: ; preds = %cond_false, %cond_true8
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%iftmp.1.0 = phi int [ 42, %cond_true8 ], [ 23, %cond_false ] ; <int> [#uses=1]
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br label %return
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bb: ; preds = %cond_true4, %cond_true
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br label %return
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return: ; preds = %bb, %cond_next9
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%retval.0 = phi int [ 17, %bb ], [ %iftmp.1.0, %cond_next9 ] ; <int> [#uses=1]
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ret int %retval.0
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}
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