diff options
author | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2017-12-11 14:46:06 +0000 |
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committer | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2017-12-11 14:46:06 +0000 |
commit | 5a03908a668020aa3b6f93016dc07945674cf693 (patch) | |
tree | dfc609aceadb2c11f4afbf0c0e93cf162d98a914 /test/CodeGen/Hexagon | |
parent | 6c0ae87241fcdd95aacfd89d70216fb3fb9aba07 (diff) |
[Hexagon] Crash in instruction selection for insert_vector_elt for HVX
A wrong type was passed to insertVector, causing an out-of-bounds value
to be added an an operand to HexagonISD::INSERT. This later failed in
instruction selection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320369 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Hexagon')
-rw-r--r-- | test/CodeGen/Hexagon/autohvx/lower-insert-elt.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/Hexagon/autohvx/lower-insert-elt.ll b/test/CodeGen/Hexagon/autohvx/lower-insert-elt.ll new file mode 100644 index 00000000000..22afa4a3c1f --- /dev/null +++ b/test/CodeGen/Hexagon/autohvx/lower-insert-elt.ll @@ -0,0 +1,23 @@ +; RUN: llc -march=hexagon < %s | FileCheck %s +; REQUIRES: asserts + +; Check that this testcase compiles successfully. +; CHECK: vextract + +target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048" +target triple = "hexagon-unknown--elf" + +define void @fred() local_unnamed_addr #0 { +b0: + %v1 = load <64 x i8>, <64 x i8>* undef, align 64 + %v2 = insertelement <64 x i8> %v1, i8 0, i32 0 + br label %b3 + +b3: ; preds = %b3, %b0 + %v4 = phi <64 x i8> [ %v2, %b0 ], [ %v6, %b3 ] + %v5 = extractelement <64 x i8> %v4, i32 0 + %v6 = insertelement <64 x i8> %v4, i8 undef, i32 0 + br label %b3 +} + +attributes #0 = { "target-cpu"="hexagonv60" "target-features"="+hvx,+hvx-length64b" } |