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llvm-project/llvm/test/CodeGen/ARM/Windows/pic.ll

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ARM: support PIC on Windows on ARM Handle lowering of global addresses for PIC mode compilation on Windows. Always use the movw/movt load to load the address as Windows on ARM requires ARMv7+ and is a pure Thumb environment. llvm-svn: 208385
2014-05-09 08:58:32 +08:00
; RUN: llc -mtriple thumbv7-windows-itanium -relocation-model pic -filetype asm -o - %s \
Generate correct asm info for mingw and cygwin ARM targets. http://reviews.llvm.org/D11075 Patch by Martell Malone Reviewed by Reid Kleckner llvm-svn: 242123
2015-07-14 13:51:05 +08:00
; RUN: | FileCheck %s -check-prefix CHECK-WIN
; RUN: llc -mtriple thumbv7-windows-gnu -relocation-model pic -filetype asm -o - %s \
; RUN: | FileCheck %s -check-prefix CHECK-GNU
ARM: support PIC on Windows on ARM Handle lowering of global addresses for PIC mode compilation on Windows. Always use the movw/movt load to load the address as Windows on ARM requires ARMv7+ and is a pure Thumb environment. llvm-svn: 208385
2014-05-09 08:58:32 +08:00
@external = external global i8
define arm_aapcs_vfpcc i8 @return_external() {
entry:
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction Essentially the same as the GEP change in r230786. A similar migration script can be used to update test cases, though a few more test case improvements/changes were required this time around: (r229269-r229278) import fileinput import sys import re pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)") for line in sys.stdin: sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line)) Reviewers: rafael, dexonsmith, grosser Differential Revision: http://reviews.llvm.org/D7649 llvm-svn: 230794
2015-02-28 05:17:42 +08:00
%0 = load i8, i8* @external, align 1
ARM: support PIC on Windows on ARM Handle lowering of global addresses for PIC mode compilation on Windows. Always use the movw/movt load to load the address as Windows on ARM requires ARMv7+ and is a pure Thumb environment. llvm-svn: 208385
2014-05-09 08:58:32 +08:00
ret i8 %0
}
Generate correct asm info for mingw and cygwin ARM targets. http://reviews.llvm.org/D11075 Patch by Martell Malone Reviewed by Reid Kleckner llvm-svn: 242123
2015-07-14 13:51:05 +08:00
; CHECK-WIN-LABEL: return_external
; CHECK-WIN: movw r0, :lower16:external
; CHECK-WIN: movt r0, :upper16:external
; CHECK-WIN: ldrb r0, [r0]
ARM: support PIC on Windows on ARM Handle lowering of global addresses for PIC mode compilation on Windows. Always use the movw/movt load to load the address as Windows on ARM requires ARMv7+ and is a pure Thumb environment. llvm-svn: 208385
2014-05-09 08:58:32 +08:00
Generate correct asm info for mingw and cygwin ARM targets. http://reviews.llvm.org/D11075 Patch by Martell Malone Reviewed by Reid Kleckner llvm-svn: 242123
2015-07-14 13:51:05 +08:00
; CHECK-GNU-LABEL: return_external
; CHECK-GNU: movw r0, :lower16:external
; CHECK-GNU: movt r0, :upper16:external
; CHECK-GNU: ldrb r0, [r0]