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llvm-mirror/test/LTO/ARM/link-arm-and-thumb.ll
Florian Hahn 20ec5bbffb [Linker] Remove warning when linking ARM and Thumb IR modules.
Summary:
This patch updates Triple::isCompatibleWith to make armxx and thumbxx
triples compatible, as long as the subarch, vendor, os, envorionment and
object format match. Thumb/ARM code generation should be controlled
using the thumb-mode per-function target feature rather than by the
triple to allow mixing Thumb and ARM functions.

D33448 updates Clang's codegen to add thumb-mode for all functions with
armxx or thumbxx triples.

Reviewers: echristo, t.p.northover, rafael, kristof.beyls, rengolin, tejohnson

Reviewed By: tejohnson

Subscribers: rinon, eugenis, pcc, srhines, aemerson, mehdi_amini, javed.absar, llvm-commits

Differential Revision: https://reviews.llvm.org/D33287

llvm-svn: 304884
2017-06-07 09:17:01 +00:00

33 lines
818 B
LLVM

; Testcase to check that functions from a Thumb module can be inlined in an
; ARM function.
;
; RUN: llvm-as %s -o %t1.bc
; RUN: llvm-as %p/Inputs/thumb.ll -o %t2.bc
; RUN: llvm-lto -exported-symbol main \
; RUN: -exported-symbol bar \
; RUN: -filetype=asm \
; RUN: -o - \
; RUN: %t1.bc %t2.bc 2> %t3.out| FileCheck %s
; RUN: FileCheck --allow-empty --input-file %t3.out --check-prefix STDERR %s
target triple = "armv7-linux-gnueabihf"
; CHECK: .code 32
; CHECK-NEXT: main
; CHECK-NEXT: .fnstart
; CHECK-NEXT: mov r0, #30
; CHECK: .code 16
; CHECK-NEXT: .thumb_func
; CHECK-NEXT: bar
declare i32 @foo(i32 %a, i32 %b);
define i32 @main() {
entry:
%add = call i32 @foo(i32 10, i32 20)
ret i32 %add
}
; STDERR-NOT: warning: Linking two modules of different target triples: