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-rw-r--r--llvm/test/CodeGen/Hexagon/constp-combine-neg.ll27
1 files changed, 27 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Hexagon/constp-combine-neg.ll b/llvm/test/CodeGen/Hexagon/constp-combine-neg.ll
new file mode 100644
index 00000000000..18f0e81076a
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/constp-combine-neg.ll
@@ -0,0 +1,27 @@
+; RUN: llc -O2 -march=hexagon < %s | FileCheck %s --check-prefix=CHECK-TEST1
+; RUN: llc -O2 -march=hexagon < %s | FileCheck %s --check-prefix=CHECK-TEST2
+; RUN: llc -O2 -march=hexagon < %s | FileCheck %s --check-prefix=CHECK-TEST3
+define i32 @main() #0 {
+entry:
+ %l = alloca [7 x i32], align 8
+ %p_arrayidx45 = bitcast [7 x i32]* %l to i32*
+ %vector_ptr = bitcast [7 x i32]* %l to <2 x i32>*
+ store <2 x i32> <i32 3, i32 -2>, <2 x i32>* %vector_ptr, align 8
+ %p_arrayidx.1 = getelementptr [7 x i32], [7 x i32]* %l, i32 0, i32 2
+ %vector_ptr.1 = bitcast i32* %p_arrayidx.1 to <2 x i32>*
+ store <2 x i32> <i32 -4, i32 6>, <2 x i32>* %vector_ptr.1, align 8
+ %p_arrayidx.2 = getelementptr [7 x i32], [7 x i32]* %l, i32 0, i32 4
+ %vector_ptr.2 = bitcast i32* %p_arrayidx.2 to <2 x i32>*
+ store <2 x i32> <i32 -8, i32 -10>, <2 x i32>* %vector_ptr.2, align 8
+ ret i32 0
+}
+
+; The instructions seem to be in a different order in the .s file than
+; the corresponding values in the .ll file, so just run the test three
+; times and each time test for a different instruction.
+; CHECK-TEST1: combine(#-2, #3)
+; CHECK-TEST2: combine(#6, #-4)
+; CHECK-TEST3: combine(#-10, #-8)
+
+attributes #0 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
+
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