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llvm-mirror/test/CodeGen/AArch64/aarch64-tryBitfieldInsertOpFromOr-crash.ll
Tim Northover e047278592 AArch64: use correct SDValue # when looking for bitfield placement.
The other use really does only care about the SDNode (it checks the
opcode against a whitelist), but bitFieldPlacement can be misled if
the node produces multiple results.

Patch by Ismail Badawi.

llvm-svn: 274567
2016-07-05 18:02:57 +00:00

37 lines
1.3 KiB
LLVM

; RUN: llc <%s
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
target triple = "aarch64--linux-gnu"
; Function Attrs: noreturn nounwind
define void @foo(i32* %d) {
entry:
%0 = ptrtoint i32* %d to i64
%1 = and i64 %0, -36028797018963969
%2 = inttoptr i64 %1 to i32*
%arrayidx5 = getelementptr inbounds i32, i32* %2, i64 1
%arrayidx6 = getelementptr inbounds i32, i32* %2, i64 2
%arrayidx7 = getelementptr inbounds i32, i32* %2, i64 3
br label %for.cond
for.cond: ; preds = %for.cond, %entry
%B.0 = phi i32* [ %d, %entry ], [ %12, %for.cond ]
%3 = ptrtoint i32* %B.0 to i64
%4 = and i64 %3, -36028797018963969
%5 = inttoptr i64 %4 to i32*
%6 = load i32, i32* %5, align 4
%arrayidx1 = getelementptr inbounds i32, i32* %5, i64 1
%7 = load i32, i32* %arrayidx1, align 4
%arrayidx2 = getelementptr inbounds i32, i32* %5, i64 2
%8 = load i32, i32* %arrayidx2, align 4
%arrayidx3 = getelementptr inbounds i32, i32* %5, i64 3
%9 = load i32, i32* %arrayidx3, align 4
store i32 %6, i32* %2, align 4
store i32 %7, i32* %arrayidx5, align 4
store i32 %8, i32* %arrayidx6, align 4
store i32 %9, i32* %arrayidx7, align 4
%10 = ptrtoint i32* %arrayidx1 to i64
%11 = or i64 %10, 36028797018963968
%12 = inttoptr i64 %11 to i32*
br label %for.cond
}