llvm-project/llvm/test/CodeGen/ARM/fast-tail-call.ll

18 lines
456 B
LLVM

; RUN: llc -mtriple=thumbv7-linux-gnueabi -O0 < %s | FileCheck %s
; RUN: llc -mtriple=thumbv8m.base-arm-none-eabi -filetype=obj < %s
; Primarily a non-crash test: Thumbv7 Linux does not have FastISel support,
; which led (via a convoluted route) to DAG nodes after a TC_RETURN that
; couldn't possibly work.
declare i8* @g(i8*)
define i8* @f(i8* %a) {
entry:
%0 = tail call i8* @g(i8* %a)
ret i8* %0
; CHECK: b g
; CHECK-NOT: ldr
; CHECK-NOT: str
}