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Diffstat (limited to 'test/CodeGen/SystemZ/atomic-load-04.ll')
-rw-r--r-- | test/CodeGen/SystemZ/atomic-load-04.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/atomic-load-04.ll b/test/CodeGen/SystemZ/atomic-load-04.ll new file mode 100644 index 0000000..9593d35 --- /dev/null +++ b/test/CodeGen/SystemZ/atomic-load-04.ll @@ -0,0 +1,14 @@ +; 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 +} |