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llvm-mirror/test/CodeGen/SystemZ/atomic-load-04.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
381 B
LLVM

; Test 64-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 CSG is probably too conservative.
define i64 @f1(i64 %dummy, i64 *%src) {
; CHECK: f1:
; CHECK: lghi %r2, 0
; CHECK: csg %r2, %r2, 0(%r3)
; CHECK: br %r14
%val = load atomic i64 *%src seq_cst, align 8
ret i64 %val
}