| ; RUN: llc -march=hexagon -hexagon-initial-cfg-cleanup=0 < %s | FileCheck %s |
| ; REQUIRES: asserts |
| |
| ; Test that the compiler doesn't assert because IMPLICIT_DEF instructions are |
| ; are added to the same packet as a use. This test case asserts if the |
| ; IMPLICIT_DEFs are not handled properly. |
| ; |
| ; r0 = IMPLICIT_DEF |
| ; r1 = IMPLICIT_DEF |
| ; S2_storerd_io r29, 0, d0 |
| |
| ; CHECK: memd(r29+#0) = r{{[0-9]+}}:{{[0-9]+}} |
| ; CHECK: memd(r29+#0) = r{{[0-9]+}}:{{[0-9]+}} |
| |
| define i8** @f0(i8* %a0) local_unnamed_addr { |
| b0: |
| %v0 = tail call i8* @f1(i32 0) |
| %v1 = tail call i8* @f1(i32 8) |
| %v2 = bitcast i8* %v1 to i8** |
| %v3 = load i32, i32* undef, align 4 |
| %v4 = tail call i8* @f4(i8* %a0, i32 0, i32 %v3) |
| %v5 = sub nsw i32 %v3, 0 |
| br label %b1 |
| |
| b1: ; preds = %b0 |
| switch i8 undef, label %b3 [ |
| i8 0, label %b4 |
| i8 92, label %b2 |
| i8 44, label %b4 |
| ] |
| |
| b2: ; preds = %b1 |
| unreachable |
| |
| b3: ; preds = %b1 |
| unreachable |
| |
| b4: ; preds = %b1, %b1 |
| br label %b5 |
| |
| b5: ; preds = %b4 |
| br i1 undef, label %b27, label %b6 |
| |
| b6: ; preds = %b5 |
| %v6 = ptrtoint i8* %v4 to i32 |
| %v7 = sub i32 0, %v6 |
| %v8 = call i8* @f4(i8* nonnull %v4, i32 0, i32 %v7) |
| %v9 = call i8* @f4(i8* nonnull %v4, i32 undef, i32 %v5) |
| br label %b7 |
| |
| b7: ; preds = %b6 |
| br i1 undef, label %b8, label %b9 |
| |
| b8: ; preds = %b7 |
| br label %b9 |
| |
| b9: ; preds = %b8, %b7 |
| %v10 = phi i32 [ 2, %b8 ], [ 0, %b7 ] |
| %v11 = load i8, i8* %v9, align 1 |
| switch i8 %v11, label %b12 [ |
| i8 43, label %b10 |
| i8 45, label %b10 |
| ] |
| |
| b10: ; preds = %b9, %b9 |
| br i1 undef, label %b11, label %b12 |
| |
| b11: ; preds = %b10 |
| %v12 = call i64 @f6(i8* nonnull %v9, i8** nonnull undef, i32 10) |
| %v13 = load i8*, i8** undef, align 4 |
| %v14 = ptrtoint i8* %v13 to i32 |
| br label %b15 |
| |
| b12: ; preds = %b10, %b9 |
| switch i8 undef, label %b14 [ |
| i8 0, label %b13 |
| i8 46, label %b13 |
| ] |
| |
| b13: ; preds = %b12, %b12 |
| br label %b15 |
| |
| b14: ; preds = %b12 |
| unreachable |
| |
| b15: ; preds = %b13, %b11 |
| %v15 = phi i32 [ undef, %b13 ], [ %v14, %b11 ] |
| %v16 = phi i32 [ 2, %b13 ], [ 1, %b11 ] |
| %v17 = phi i64 [ undef, %b13 ], [ %v12, %b11 ] |
| %v18 = call i32* @f5() |
| br label %b16 |
| |
| b16: ; preds = %b15 |
| %v19 = icmp ne i32 %v10, %v16 |
| %v20 = or i1 undef, %v19 |
| br i1 %v20, label %b17, label %b18 |
| |
| b17: ; preds = %b16 |
| call void @f2(i8* %v8) |
| br label %b27 |
| |
| b18: ; preds = %b16 |
| br i1 undef, label %b19, label %b20 |
| |
| b19: ; preds = %b18 |
| br label %b24 |
| |
| b20: ; preds = %b18 |
| %v21 = add i32 %v5, -2 |
| %v22 = sub i32 %v21, %v7 |
| %v23 = add i32 %v22, %v15 |
| %v24 = sub i32 %v23, 0 |
| br label %b21 |
| |
| b21: ; preds = %b20 |
| %v25 = icmp ne i32 %v24, 2 |
| %v26 = and i1 %v25, undef |
| br i1 %v26, label %b22, label %b23 |
| |
| b22: ; preds = %b21 |
| unreachable |
| |
| b23: ; preds = %b21 |
| br label %b24 |
| |
| b24: ; preds = %b23, %b19 |
| %v27 = phi i64 [ 0, %b19 ], [ %v17, %b23 ] |
| br label %b25 |
| |
| b25: ; preds = %b24 |
| %v28 = icmp sgt i64 0, %v27 |
| br i1 %v28, label %b28, label %b26 |
| |
| b26: ; preds = %b25 |
| unreachable |
| |
| b27: ; preds = %b17, %b5 |
| call void @f2(i8* %v4) |
| call void @f2(i8* %v0) |
| %v29 = call i8* @f3(i8* undef, i8* nonnull %a0) |
| ret i8** %v2 |
| |
| b28: ; preds = %b25 |
| call void @f2(i8* %v9) |
| unreachable |
| } |
| |
| declare i8* @f1(i32) local_unnamed_addr |
| |
| declare void @f2(i8* nocapture) local_unnamed_addr |
| |
| declare i8* @f3(i8*, i8* nocapture readonly) local_unnamed_addr |
| |
| declare i8* @f4(i8*, i32, i32) local_unnamed_addr |
| |
| declare i32* @f5() local_unnamed_addr |
| |
| declare i64 @f6(i8*, i8**, i32) local_unnamed_addr |
