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llvm-mirror/test/CodeGen/Thumb2/thumb2-call.ll
Tim Northover 3173845201 ARM: stop emitting blx instructions for most calls on MachO.
I'm really not sure why we were in the first place, it's the linker's job to
convert between BL/BLX as necessary. Even worse, using BLX left Thumb calls
that could be locally resolved completely unencodable since all offsets to BLX
are multiples of 4.

rdar://26182344

llvm-svn: 269101
2016-05-10 19:17:47 +00:00

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587 B
LLVM

; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=+thumb2 | FileCheck %s
; RUN: llc < %s -mtriple=thumbv7-linux -mattr=+thumb2 | FileCheck %s
@t = weak global i32 ()* null ; <i32 ()**> [#uses=1]
declare void @g(i32, i32, i32, i32)
define void @f() {
; CHECK-LABEL: f:
; CHECK: bl {{_?}}g
call void @g( i32 1, i32 2, i32 3, i32 4 )
ret void
}
define void @h() {
; CHECK-LABEL: h:
; CHECK: blx r0
%tmp = load i32 ()*, i32 ()** @t ; <i32 ()*> [#uses=1]
%tmp.upgrd.2 = call i32 %tmp( ) ; <i32> [#uses=0]
ret void
}