diff options
Diffstat (limited to 'test/CodeGen/Generic/2006-11-20-DAGCombineCrash.ll')
| -rw-r--r-- | test/CodeGen/Generic/2006-11-20-DAGCombineCrash.ll | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/test/CodeGen/Generic/2006-11-20-DAGCombineCrash.ll b/test/CodeGen/Generic/2006-11-20-DAGCombineCrash.ll new file mode 100644 index 0000000..26d0f4f --- /dev/null +++ b/test/CodeGen/Generic/2006-11-20-DAGCombineCrash.ll @@ -0,0 +1,41 @@ +; RUN: llc < %s +; PR1011 +%struct.mng_data = type { i8* (%struct.mng_data*, i32)*, i32, i32, i32, i8, i8, i32, i32, i32, i32, i32 } + +define void @mng_display_bgr565() { +entry: + br i1 false, label %bb.preheader, label %return + +bb.preheader: ; preds = %entry + br i1 false, label %cond_true48, label %cond_next80 + +cond_true48: ; preds = %bb.preheader + %tmp = load i8* null ; <i8> [#uses=1] + %tmp51 = zext i8 %tmp to i16 ; <i16> [#uses=1] + %tmp99 = load i8* null ; <i8> [#uses=1] + %tmp54 = bitcast i8 %tmp99 to i8 ; <i8> [#uses=1] + %tmp54.upgrd.1 = zext i8 %tmp54 to i32 ; <i32> [#uses=1] + %tmp55 = lshr i32 %tmp54.upgrd.1, 3 ; <i32> [#uses=1] + %tmp55.upgrd.2 = trunc i32 %tmp55 to i16 ; <i16> [#uses=1] + %tmp52 = shl i16 %tmp51, 5 ; <i16> [#uses=1] + %tmp56 = and i16 %tmp55.upgrd.2, 28 ; <i16> [#uses=1] + %tmp57 = or i16 %tmp56, %tmp52 ; <i16> [#uses=1] + %tmp60 = zext i16 %tmp57 to i32 ; <i32> [#uses=1] + %tmp62 = xor i32 0, 65535 ; <i32> [#uses=1] + %tmp63 = mul i32 %tmp60, %tmp62 ; <i32> [#uses=1] + %tmp65 = add i32 0, %tmp63 ; <i32> [#uses=1] + %tmp69 = add i32 0, %tmp65 ; <i32> [#uses=1] + %tmp70 = lshr i32 %tmp69, 16 ; <i32> [#uses=1] + %tmp70.upgrd.3 = trunc i32 %tmp70 to i16 ; <i16> [#uses=1] + %tmp75 = lshr i16 %tmp70.upgrd.3, 8 ; <i16> [#uses=1] + %tmp75.upgrd.4 = trunc i16 %tmp75 to i8 ; <i8> [#uses=1] + %tmp76 = lshr i8 %tmp75.upgrd.4, 5 ; <i8> [#uses=1] + store i8 %tmp76, i8* null + ret void + +cond_next80: ; preds = %bb.preheader + ret void + +return: ; preds = %entry + ret void +} |