diff options
Diffstat (limited to 'test/CodeGen/SystemZ/atomicrmw-or-05.ll')
-rw-r--r-- | test/CodeGen/SystemZ/atomicrmw-or-05.ll | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/atomicrmw-or-05.ll b/test/CodeGen/SystemZ/atomicrmw-or-05.ll new file mode 100644 index 0000000..b38654c --- /dev/null +++ b/test/CodeGen/SystemZ/atomicrmw-or-05.ll @@ -0,0 +1,64 @@ +; Test 32-bit atomic ORs, z196 version. +; +; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s + +; Check OR of a variable. +define i32 @f1(i32 %dummy, i32 *%src, i32 %b) { +; CHECK-LABEL: f1: +; CHECK: lao %r2, %r4, 0(%r3) +; CHECK: br %r14 + %res = atomicrmw or i32 *%src, i32 %b seq_cst + ret i32 %res +} + +; Check OR of 1, which needs a temporary. +define i32 @f2(i32 %dummy, i32 *%src) { +; CHECK-LABEL: f2: +; CHECK: lhi [[TMP:%r[0-5]]], 1 +; CHECK: lao %r2, [[TMP]], 0(%r3) +; CHECK: br %r14 + %res = atomicrmw or i32 *%src, i32 1 seq_cst + ret i32 %res +} + +; Check the high end of the LAO range. +define i32 @f3(i32 %dummy, i32 *%src, i32 %b) { +; CHECK-LABEL: f3: +; CHECK: lao %r2, %r4, 524284(%r3) +; CHECK: br %r14 + %ptr = getelementptr i32 *%src, i32 131071 + %res = atomicrmw or i32 *%ptr, i32 %b seq_cst + ret i32 %res +} + +; Check the next word up, which needs separate address logic. +define i32 @f4(i32 %dummy, i32 *%src, i32 %b) { +; CHECK-LABEL: f4: +; CHECK: agfi %r3, 524288 +; CHECK: lao %r2, %r4, 0(%r3) +; CHECK: br %r14 + %ptr = getelementptr i32 *%src, i32 131072 + %res = atomicrmw or i32 *%ptr, i32 %b seq_cst + ret i32 %res +} + +; Check the low end of the LAO range. +define i32 @f5(i32 %dummy, i32 *%src, i32 %b) { +; CHECK-LABEL: f5: +; CHECK: lao %r2, %r4, -524288(%r3) +; CHECK: br %r14 + %ptr = getelementptr i32 *%src, i32 -131072 + %res = atomicrmw or i32 *%ptr, i32 %b seq_cst + ret i32 %res +} + +; Check the next word down, which needs separate address logic. +define i32 @f6(i32 %dummy, i32 *%src, i32 %b) { +; CHECK-LABEL: f6: +; CHECK: agfi %r3, -524292 +; CHECK: lao %r2, %r4, 0(%r3) +; CHECK: br %r14 + %ptr = getelementptr i32 *%src, i32 -131073 + %res = atomicrmw or i32 *%ptr, i32 %b seq_cst + ret i32 %res +} |