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llvm-mirror/test/CodeGen/ARM/wrong-t2stmia-size-opt.ll
Fangrui Song 1c1cc1c5ed [test] llvm/test/: change llvm-objdump single-dash long options to double-dash options
As announced here: http://lists.llvm.org/pipermail/llvm-dev/2019-April/131786.html

Grouped option syntax (POSIX Utility Conventions) does not play well with -long-option
A subsequent change will reject -long-option.
2020-03-15 17:46:23 -07:00

25 lines
975 B
LLVM

; RUN: llc -mtriple=thumbv7-- -mcpu=cortex-a9 -O1 -filetype=obj %s -o - | llvm-objdump --triple=thumbv7-- --mcpu=cortex-a9 -d - | FileCheck %s
target datalayout = "e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "thumbv7--linux-gnueabi"
declare i8* @llvm.returnaddress(i32)
define i32* @wrong-t2stmia-size-reduction(i32* %addr, i32 %val0, i32 %val1) minsize {
store i32 %val0, i32* %addr
%addr1 = getelementptr i32, i32* %addr, i32 1
%addr2 = getelementptr i32, i32* %addr, i32 2
%lr = call i8* @llvm.returnaddress(i32 0)
%lr32 = ptrtoint i8* %lr to i32
store i32 %val1, i32* %addr1
store i32 %lr32, i32* %addr2
%addr3 = getelementptr i32, i32* %addr, i32 3
ret i32* %addr3
}
; Check that stm writes three registers. The bug caused one of registers (LR,
; which invalid for Thumb1 form of STMIA instruction) to be dropped.
; CHECK-LABEL: <wrong-t2stmia-size-reduction>:
; CHECK: stm{{[^,]*}}, {{{.*,.*,.*}}}