llvm-6502/test/Transforms/LoopVectorize/unsized-pointee-crash.ll
David Majnemer bb642c4369 LoopVectorize: Don't assume pointees are sized
A pointer's pointee might not be sized: the pointee could be a function.

Report this as IK_NoInduction when calculating isInductionVariable.

This fixes PR21508.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221501 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-07 00:31:14 +00:00

25 lines
734 B
LLVM

; RUN: opt -S -loop-vectorize < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; CHECK-LABEL: @fn1
define void @fn1() {
entry:
br label %for.body
for.body:
%b.05 = phi i32 (...)* [ undef, %entry ], [ %1, %for.body ]
%a.04 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%0 = bitcast i32 (...)* %b.05 to i8*
%add.ptr = getelementptr i8* %0, i64 1
%1 = bitcast i8* %add.ptr to i32 (...)*
; CHECK: %[[cst:.*]] = bitcast i32 (...)* {{.*}} to i8*
; CHECK-NEXT: %[[gep:.*]] = getelementptr i8* %[[cst]], i64 1
%inc = add nsw i32 %a.04, 1
%exitcond = icmp eq i32 %a.04, 63
br i1 %exitcond, label %for.end, label %for.body
for.end:
ret void
}