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llvm-mirror/test/CodeGen/ARM/2010-11-29-PrologueBug.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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478 B
LLVM

; RUN: llc < %s -mtriple=armv7-apple-ios | FileCheck %s
; RUN: llc < %s -mtriple=thumbv7-apple-ios | FileCheck %s
; rdar://8690640
define i32* @t(i32* %x) nounwind {
entry:
; CHECK-LABEL: t:
; CHECK: push
; CHECK: mov r7, sp
; CHECK: bl _foo
; CHECK: bl _foo
; CHECK: bl _foo
; CHECK: pop {r7, pc}
%0 = tail call i32* @foo(i32* %x) nounwind
%1 = tail call i32* @foo(i32* %0) nounwind
%2 = tail call i32* @foo(i32* %1) nounwind
ret i32* %2
}
declare i32* @foo(i32*)