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cc383db66a
This test case was breaking the hexagon elf bot. The failing lines were actually unnecessary as checking that the store still reads the correct value demonstrates that everything is working fine now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242073 91177308-0d34-0410-b5e6-96231b3b80d8
34 lines
1.3 KiB
LLVM
34 lines
1.3 KiB
LLVM
; RUN: opt -loop-idiom -S < %s | FileCheck %s
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "arm64-apple-ios8.0.0"
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; When we replace the precondition with a ctpop, we need to ensure
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; that only the first branch reads the ctpop. The store prior
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; to that should continue to read from the original compare.
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; CHECK: %tobool.5 = icmp ne i32 %num, 0
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; CHECK: store i1 %tobool.5, i1* %ptr
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define internal fastcc i32 @num_bits_set(i32 %num, i1* %ptr) #1 {
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entry:
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%tobool.5 = icmp ne i32 %num, 0
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store i1 %tobool.5, i1* %ptr
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br i1 %tobool.5, label %for.body.lr.ph, label %for.end
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for.body.lr.ph: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body.lr.ph, %for.body
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%count.07 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
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%num.addr.06 = phi i32 [ %num, %for.body.lr.ph ], [ %and, %for.body ]
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%sub = add i32 %num.addr.06, -1
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%and = and i32 %sub, %num.addr.06
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%inc = add nsw i32 %count.07, 1
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%tobool = icmp ne i32 %and, 0
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br i1 %tobool, label %for.body, label %for.end
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for.end: ; preds = %for.cond.for.end_crit_edge, %entry
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%count.0.lcssa = phi i32 [ %inc, %for.body ], [ 0, %entry ]
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ret i32 %count.0.lcssa
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} |