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Diffstat (limited to 'test/CodeGen/AArch64/nzcv-save.ll')
-rw-r--r-- | test/CodeGen/AArch64/nzcv-save.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/nzcv-save.ll b/test/CodeGen/AArch64/nzcv-save.ll new file mode 100644 index 0000000..32baff3 --- /dev/null +++ b/test/CodeGen/AArch64/nzcv-save.ll @@ -0,0 +1,18 @@ +; RUN: llc -march=aarch64 < %s | FileCheck %s + +; CHECK: mrs [[NZCV_SAVE:x[0-9]+]], NZCV +; CHECK: msr NZCV, [[NZCV_SAVE]] + +; DAG ends up with two uses for the flags from an ADCS node, which means they +; must be saved for later. +define void @f(i256* nocapture %a, i256* nocapture %b, i256* nocapture %cc, i256* nocapture %dd) nounwind uwtable noinline ssp { +entry: + %c = load i256* %cc + %d = load i256* %dd + %add = add nsw i256 %c, %d + store i256 %add, i256* %a, align 8 + %or = or i256 %c, 1606938044258990275541962092341162602522202993782792835301376 + %add6 = add nsw i256 %or, %d + store i256 %add6, i256* %b, align 8 + ret void +} |