1 files changed, 24 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb/ldm-merge-call.ll b/test/CodeGen/Thumb/ldm-merge-call.ll
new file mode 100644
index 0000000..febc96b
--- /dev/null
+++ b/test/CodeGen/Thumb/ldm-merge-call.ll
@@ -0,0 +1,24 @@
+; RUN: llc -mtriple=thumbv6m-eabi -verify-machineinstrs %s -o - | FileCheck %s
+target datalayout = "e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:64-v128:64:128-a:0:32-n32-S64"
+target triple = "thumbv6m--linux-gnueabi"
+
+; Function Attrs: nounwind optsize
+define void @foo(i32* nocapture readonly %A) #0 {
+entry:
+; CHECK-LABEL: foo:
+; CHECK: ldm r[[BASE:[0-9]]]!,
+; CHECK-NEXT: mov r[[BASE]],
+  %0 = load i32* %A, align 4
+  %arrayidx1 = getelementptr inbounds i32* %A, i32 1
+  %1 = load i32* %arrayidx1, align 4
+  %call = tail call i32 @bar(i32 %0, i32 %1, i32 %0, i32 %1) #2
+  %call2 = tail call i32 @bar(i32 %0, i32 %1, i32 %0, i32 %1) #2
+  ret void
+}
+
+; Function Attrs: optsize
+declare i32 @bar(i32, i32, i32, i32) #1
+
+attributes #0 = { nounwind optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #2 = { nounwind optsize }