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llvm-mirror/test/CodeGen/SystemZ/atomic-load-03.ll
Ulrich Weigand 1431b3c2f5 [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.

llvm-svn: 181204
2013-05-06 16:17:29 +00:00

15 lines
378 B
LLVM

; Test 32-bit atomic loads.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; This is just a placeholder to make sure that loads are handled.
; Using CS is probably too conservative.
define i32 @f1(i32 %dummy, i32 *%src) {
; CHECK: f1:
; CHECK: lhi %r2, 0
; CHECK: cs %r2, %r2, 0(%r3)
; CHECK: br %r14
%val = load atomic i32 *%src seq_cst, align 4
ret i32 %val
}