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-rw-r--r--test/CodeGen/Blackfin/promote-logic.ll42
1 files changed, 42 insertions, 0 deletions
diff --git a/test/CodeGen/Blackfin/promote-logic.ll b/test/CodeGen/Blackfin/promote-logic.ll
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--- /dev/null
+++ b/test/CodeGen/Blackfin/promote-logic.ll
@@ -0,0 +1,42 @@
+; RUN: llc < %s -march=bfin > %t
+
+; DAGCombiner::SimplifyBinOpWithSameOpcodeHands can produce an illegal i16 OR
+; operation after LegalizeOps.
+
+define void @mng_display_bgr565() {
+entry:
+ br i1 false, label %bb.preheader, label %return
+
+bb.preheader:
+ br i1 false, label %cond_true48, label %cond_next80
+
+cond_true48:
+ %tmp = load i8* null
+ %tmp51 = zext i8 %tmp to i16
+ %tmp99 = load i8* null
+ %tmp54 = bitcast i8 %tmp99 to i8
+ %tmp54.upgrd.1 = zext i8 %tmp54 to i32
+ %tmp55 = lshr i32 %tmp54.upgrd.1, 3
+ %tmp55.upgrd.2 = trunc i32 %tmp55 to i16
+ %tmp52 = shl i16 %tmp51, 5
+ %tmp56 = and i16 %tmp55.upgrd.2, 28
+ %tmp57 = or i16 %tmp56, %tmp52
+ %tmp60 = zext i16 %tmp57 to i32
+ %tmp62 = xor i32 0, 65535
+ %tmp63 = mul i32 %tmp60, %tmp62
+ %tmp65 = add i32 0, %tmp63
+ %tmp69 = add i32 0, %tmp65
+ %tmp70 = lshr i32 %tmp69, 16
+ %tmp70.upgrd.3 = trunc i32 %tmp70 to i16
+ %tmp75 = lshr i16 %tmp70.upgrd.3, 8
+ %tmp75.upgrd.4 = trunc i16 %tmp75 to i8
+ %tmp76 = lshr i8 %tmp75.upgrd.4, 5
+ store i8 %tmp76, i8* null
+ ret void
+
+cond_next80:
+ ret void
+
+return:
+ ret void
+}
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