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32 lines
1005 B
LLVM
32 lines
1005 B
LLVM
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; RUN: llc -O3 -mtriple arm64-apple-ios5.0.0 < %s | FileCheck %s
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; <rdar://problem/15992732>
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; Zero truncation is not necessary when the values are extended properly
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; already.
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@block = common global i8* null, align 8
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define zeroext i8 @foo(i32 %i1, i32 %i2) {
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; CHECK-LABEL: foo:
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; CHECK: cset
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; CHECK-NOT: and
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entry:
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%idxprom = sext i32 %i1 to i64
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%0 = load i8*, i8** @block, align 8
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%arrayidx = getelementptr inbounds i8, i8* %0, i64 %idxprom
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%1 = load i8, i8* %arrayidx, align 1
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%idxprom1 = sext i32 %i2 to i64
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%arrayidx2 = getelementptr inbounds i8, i8* %0, i64 %idxprom1
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%2 = load i8, i8* %arrayidx2, align 1
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%cmp = icmp eq i8 %1, %2
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br i1 %cmp, label %return, label %if.then
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if.then: ; preds = %entry
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%cmp7 = icmp ugt i8 %1, %2
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%conv9 = zext i1 %cmp7 to i8
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br label %return
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return: ; preds = %entry, %if.then
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%retval.0 = phi i8 [ %conv9, %if.then ], [ 1, %entry ]
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ret i8 %retval.0
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}
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