llvm-6502/test/CodeGen/SystemZ/call-01.ll
Ulrich Weigand b503b49b51 [SystemZ] Add CodeGen test cases
This adds all CodeGen tests for the SystemZ target.

This version of the patch incorporates feedback from a review by
Sean Silva.  Thanks to all reviewers!

Patch by Richard Sandiford.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181204 91177308-0d34-0410-b5e6-96231b3b80d8
2013-05-06 16:17:29 +00:00

19 lines
412 B
LLVM

; Test direct calls.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
declare i64 @bar()
; We must allocate 160 bytes for the callee and save and restore %r14.
define i64 @f1() {
; CHECK: f1:
; CHECK: stmg %r14, %r15, 112(%r15)
; CHECK: aghi %r15, -160
; CHECK: brasl %r14, bar@PLT
; CHECK: lmg %r14, %r15, 272(%r15)
; CHECK: br %r14
%ret = call i64 @bar()
%inc = add i64 %ret, 1
ret i64 %inc
}