Imported Upstream version 5.18.0.161

Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98

external/llvm/test/CodeGen/Hexagon/common-gep-basic.ll

@@ -0,0 +1,37 @@
+; RUN: llc -O2 -march=hexagon < %s | FileCheck %s
+; CHECK: mpyi
+; CHECK-NOT: mpyi
+; The mpyis from the two GEPs should be commoned out.
+
+target datalayout = "e-m:e-p:32:32-i64:64-a:0-v32:32-n16:32"
+target triple = "hexagon-unknown--elf"
+
+%struct.s_t = type { %struct.anon, i32 }
+%struct.anon = type { i32, [5 x i32] }
+
+@g = common global [100 x %struct.s_t] zeroinitializer, align 8
+
+; Function Attrs: nounwind
+define void @foo(i32 %x) #0 {
+entry:
+  %cmp = icmp slt i32 %x, 90
+  br i1 %cmp, label %if.then, label %if.else
+
+if.then:                                          ; preds = %entry
+  %arrayidx1 = getelementptr inbounds [100 x %struct.s_t], [100 x %struct.s_t]* @g, i32 0, i32 %x, i32 0, i32 1, i32 2
+  tail call void @bar(i32* %arrayidx1) #0
+  br label %if.end
+
+if.else:                                          ; preds = %entry
+  %arrayidx5 = getelementptr inbounds [100 x %struct.s_t], [100 x %struct.s_t]* @g, i32 0, i32 %x, i32 0, i32 1, i32 3
+  tail call void @bar(i32* %arrayidx5) #0
+  br label %if.end
+
+if.end:                                           ; preds = %if.else, %if.then
+  ret void
+}
+
+declare void @bar(i32*) #0
+
+attributes #0 = { nounwind }
+