From 93d857e6a901f124458f00c728f656c6ab347810 Mon Sep 17 00:00:00 2001 From: Krzysztof Parzyszek Date: Fri, 27 Oct 2017 18:52:28 +0000 Subject: [Hexagon] Fix an incorrect assertion in HexagonConstExtenders.cpp Making sure that an instruction has fewer operands than required, then attempting to access one out of range is going to fail. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316785 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/Hexagon/cext-opt-numops.mir | 45 ++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 test/CodeGen/Hexagon/cext-opt-numops.mir (limited to 'test/CodeGen') diff --git a/test/CodeGen/Hexagon/cext-opt-numops.mir b/test/CodeGen/Hexagon/cext-opt-numops.mir new file mode 100644 index 00000000000..03d64088a74 --- /dev/null +++ b/test/CodeGen/Hexagon/cext-opt-numops.mir @@ -0,0 +1,45 @@ +# RUN: llc -march=hexagon -run-pass hexagon-cext-opt %s -o - | FileCheck %s + +# An incorrect assertion was triggered on this code, while attempting to +# perform a valid transformation. + +# CHECK: PS_jmpret + +--- | + define void @fred() { ret void } + + @array = global [1024 x i8] zeroinitializer, align 8 +... + +--- +name: fred +tracksRegLiveness: true +registers: + - { id: 0, class: intregs } + - { id: 1, class: intregs } + - { id: 2, class: intregs } + - { id: 3, class: predregs } + - { id: 4, class: intregs } + - { id: 5, class: intregs } + - { id: 6, class: intregs } + - { id: 7, class: intregs } + - { id: 8, class: intregs } + - { id: 9, class: intregs } + +body: | + bb.0: + liveins: %r0, %r1 + %0 = COPY %r1 + %1 = COPY %r0 + %2 = A2_tfrsi @array + %3 = IMPLICIT_DEF + %4 = A2_tfrsi @array+424 + %5 = M2_macsip %0, %1, 5 + %6 = A2_addi %2, 704 + %7 = A2_tfrsi 0 + S4_pstorerif_rr %3, %6, %5, 2, %7 + %8 = A2_tfrsi @array+144 + %9 = C2_mux %3, %4, %8 + S4_storeiri_io %9, 0, 0 + PS_jmpret %r31, implicit-def %pc +... -- cgit v1.2.3