diff options
Diffstat (limited to 'test/CodeGen/ARM64/collect-loh-str.ll')
| -rw-r--r-- | test/CodeGen/ARM64/collect-loh-str.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/ARM64/collect-loh-str.ll b/test/CodeGen/ARM64/collect-loh-str.ll new file mode 100644 index 0000000000..fc63f8bcc2 --- /dev/null +++ b/test/CodeGen/ARM64/collect-loh-str.ll @@ -0,0 +1,23 @@ +; RUN: llc -mtriple=arm64-apple-ios -O2 -arm64-collect-loh -arm64-collect-loh-bb-only=false < %s -o - | FileCheck %s +; Test case for <rdar://problem/15942912>. +; AdrpAddStr cannot be used when the store uses same +; register as address and value. Indeed, the related +; if applied, may completely remove the definition or +; at least provide a wrong one (with the offset folded +; into the definition). + +%struct.anon = type { i32*, i32** } + +@pptp_wan_head = internal global %struct.anon zeroinitializer, align 8 + +; CHECK-LABEL: _pptp_wan_init +; CHECK: ret +; CHECK-NOT: AdrpAddStr +define i32 @pptp_wan_init() { +entry: + store i32* null, i32** getelementptr inbounds (%struct.anon* @pptp_wan_head, i64 0, i32 0), align 8 + store i32** getelementptr inbounds (%struct.anon* @pptp_wan_head, i64 0, i32 0), i32*** getelementptr inbounds (%struct.anon* @pptp_wan_head, i64 0, i32 1), align 8 + ret i32 0 +} + + |