aboutsummaryrefslogtreecommitdiffstats
path: root/test/CodeGen/XCore
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen/XCore')
-rw-r--r--test/CodeGen/XCore/licm-ldwcp.ll18
1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/XCore/licm-ldwcp.ll b/test/CodeGen/XCore/licm-ldwcp.ll
new file mode 100644
index 0000000..4884f70
--- /dev/null
+++ b/test/CodeGen/XCore/licm-ldwcp.ll
@@ -0,0 +1,18 @@
+; RUN: llc < %s -march=xcore -asm-verbose=0 | FileCheck %s
+
+; MachineLICM should hoist the LDWCP out of the loop.
+
+; CHECK: f:
+; CHECK-NEXT: ldw [[REG:r[0-9]+]], cp[.LCPI0_0]
+; CHECK-NEXT: .LBB0_1:
+; CHECK-NEXT: stw [[REG]], r0[0]
+; CHECK-NEXT: bu .LBB0_1
+
+define void @f(i32* nocapture %p) noreturn nounwind {
+entry:
+ br label %bb
+
+bb: ; preds = %bb, %entry
+ volatile store i32 525509670, i32* %p, align 4
+ br label %bb
+}