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-rw-r--r--llvm/test/CodeGen/Hexagon/memset-inline.ll27
1 files changed, 27 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Hexagon/memset-inline.ll b/llvm/test/CodeGen/Hexagon/memset-inline.ll
new file mode 100644
index 00000000000..4a77e24f39c
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/memset-inline.ll
@@ -0,0 +1,27 @@
+; RUN: llc -march=hexagon -O2 < %s | FileCheck %s
+
+target triple = "hexagon-unknown--elf"
+
+; Test to see if we inline memsets when the array size is small.
+; CHECK-LABEL: f0
+; CHECK-DAG: memw
+; CHECK-DAG: memb
+; CHECK-DAG: memh
+define i32 @f0() #0 {
+b0:
+ %v0 = alloca [10 x i32], align 8
+ %v1 = bitcast [10 x i32]* %v0 to i8*
+ call void @llvm.memset.p0i8.i32(i8* align 8 %v1, i8 0, i32 7, i1 false)
+ %v2 = getelementptr inbounds [10 x i32], [10 x i32]* %v0, i32 0, i32 0
+ call void @f1(i32* %v2) #0
+ ret i32 0
+}
+
+; Function Attrs: nounwind
+declare void @f1(i32*) #0
+
+; Function Attrs: argmemonly nounwind
+declare void @llvm.memset.p0i8.i32(i8* nocapture writeonly, i8, i32, i1) #1
+
+attributes #0 = { nounwind }
+attributes #1 = { argmemonly nounwind }
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