llvm/test/Transforms/LoopUnroll/pr10813.ll
Jakub Staszak 4c6b8bee2a ConstantVector returns arbitrary value for the wrong index.
This fixes PR10813.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139006 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-02 15:43:43 +00:00

30 lines
1.1 KiB
LLVM

; RUN: opt < %s -loop-unroll -disable-output
define void @"f_fu___REFUf[]REFUf[]Uf"() nounwind {
allocas:
br i1 undef, label %cif_mask_all, label %cif_mixed_test_all
cif_mask_all: ; preds = %allocas
unreachable
cif_mixed_test_all: ; preds = %allocas
br label %pl_loop.i964
pl_loop.i964: ; preds = %pl_loopend.i973, %cif_mixed_test_all
%0 = phi i32 [ %pl_nextlane.i971, %pl_loopend.i973 ], [ 0, %cif_mixed_test_all ]
br i1 undef, label %pl_dolane.i970, label %pl_loopend.i973
pl_dolane.i970: ; preds = %pl_loop.i964
%storeval.i.i969 = extractelement <4 x i8> <i8 0, i8 1, i8 2, i8 3>, i32 %0
store i8 %storeval.i.i969, i8* undef, align 1
br label %pl_loopend.i973
pl_loopend.i973: ; preds = %pl_dolane.i970, %pl_loop.i964
%pl_nextlane.i971 = add i32 %0, 1
%exitcond5 = icmp ne i32 %pl_nextlane.i971, 5
br i1 %exitcond5, label %pl_loop.i964, label %__scatter_base_offsets_i8.exit974
__scatter_base_offsets_i8.exit974: ; preds = %pl_loopend.i973
unreachable
}