555e09c2b0
This updates the naming for the LAA printing pass to be in line with most other analysis printing passes. The old name has come up as confusing multiple times already, e.g. in D131924.
39 lines
1.6 KiB
LLVM
39 lines
1.6 KiB
LLVM
; RUN: opt -passes='print<access-info>' %s -disable-output 2>&1 | FileCheck %s
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; This test defends against accidentally using alloc size instead of store size when performing run-time
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; boundary check of memory accesses. The IR in this file is based on
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; llvm/test/Analysis/LoopAccessAnalysis/memcheck-off-by-one-error.ll.
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; Here, we use i19 instead of i64 because it has a different alloc size to its store size.
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;CHECK: function 'fastCopy':
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;CHECK: (Low: %op High: (27 + %op))
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;CHECK: (Low: %src High: (27 + %src))
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define void @fastCopy(i8* nocapture readonly %src, i8* nocapture %op) {
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entry:
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br label %while.body.preheader
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while.body.preheader: ; preds = %entry
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br label %while.body
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while.body: ; preds = %while.body.preheader, %while.body
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%len.addr.07 = phi i32 [ %sub, %while.body ], [ 32, %while.body.preheader ]
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%op.addr.06 = phi i8* [ %add.ptr1, %while.body ], [ %op, %while.body.preheader ]
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%src.addr.05 = phi i8* [ %add.ptr, %while.body ], [ %src, %while.body.preheader ]
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%0 = bitcast i8* %src.addr.05 to i19*
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%1 = load i19, i19* %0, align 8
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%2 = bitcast i8* %op.addr.06 to i19*
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store i19 %1, i19* %2, align 8
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%add.ptr = getelementptr inbounds i8, i8* %src.addr.05, i19 8
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%add.ptr1 = getelementptr inbounds i8, i8* %op.addr.06, i19 8
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%sub = add nsw i32 %len.addr.07, -8
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%cmp = icmp sgt i32 %len.addr.07, 8
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br i1 %cmp, label %while.body, label %while.end.loopexit
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while.end.loopexit: ; preds = %while.body
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br label %while.end
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while.end: ; preds = %while.end.loopexit, %entry
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ret void
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}
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