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[ARM] halfword store hits llvm_unreachable with big-endian 

Summary:
[ARM] halfword store hits llvm_unreachable with big-endian

Provide missing case in getFixupKindContainerSizeBytes().

This stops execution reaching llvm_unreachable("Unknown fixup kind!")

D83947

Reviewers: olista01, ostannard

Reviewed By: ostannard

Subscribers: ostannard, kristof.beyls, hiraditya, danielkiss, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D83947

Change-Id: I598aa1fb51fd1c6f424c557c85d6df6d1958bc62
This commit is contained in:
Simon Wallis 2020-07-17 08:26:30 +01:00
parent 1b7c9eae6d
commit 3e0ccf9a90
2 changed files with 10 additions and 0 deletions
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1
llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
View File

@ -1010,6 +1010,7 @@ static unsigned getFixupKindContainerSizeBytes(unsigned Kind) {
case ARM::fixup_t2_condbranch:
case ARM::fixup_t2_uncondbranch:
case ARM::fixup_t2_pcrel_10:
case ARM::fixup_t2_pcrel_9:
case ARM::fixup_t2_adr_pcrel_12:
case ARM::fixup_arm_thumb_bl:
case ARM::fixup_arm_thumb_blx:

9
llvm/test/CodeGen/ARM/store_half.ll Normal file
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@ -0,0 +1,9 @@
; RUN: llc < %s -mtriple=thumbebv8.2a-arm-none-eabi -mattr=+fullfp16 -filetype=obj -o /dev/null
; RUN: llc < %s -mtriple=thumbv8.2a-arm-none-eabi -mattr=+fullfp16 -filetype=obj -o /dev/null
; RUN: llc < %s -mtriple=armebv8.2a-arm-none-eabi -mattr=+fullfp16 -filetype=obj -o /dev/null
; RUN: llc < %s -mtriple=armv8.2a-arm-none-eabi -mattr=+fullfp16 -filetype=obj -o /dev/null
define void @woah(half* %waythere) {
store half 0xHE110, half* %waythere
ret void
}